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73630397 = 179439937
BaseRepresentation
bin1000110001110…
…00001010111101
312010112210220202
410120320022331
5122322133042
611150053245
71552563611
oct430701275
9163483822
1073630397
1138620675
12207aa225
13123400a9
149ac9341
1566e6632
hex46382bd

73630397 has 8 divisors (see below), whose sum is σ = 74289600. Its totient is φ = 72974304.

The previous prime is 73630373. The next prime is 73630421. The reversal of 73630397 is 79303637.

It is an interprime number because it is at equal distance from previous prime (73630373) and next prime (73630421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73630397 - 222 = 69436093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73630397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73630327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78113 + ... + 79049.

It is an arithmetic number, because the mean of its divisors is an integer number (9286200).

Almost surely, 273630397 is an apocalyptic number.

It is an amenable number.

73630397 is a deficient number, since it is larger than the sum of its proper divisors (659203).

73630397 is a wasteful number, since it uses less digits than its factorization.

73630397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 71442, while the sum is 38.

The square root of 73630397 is about 8580.8156372224. The cubic root of 73630397 is about 419.1335064790.

The spelling of 73630397 in words is "seventy-three million, six hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 179 439 937 78581 167723 411343 73630397