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74302685 = 573203569
BaseRepresentation
bin1000110110111…
…00010011011101
312011210222010022
410123130103131
5123010141220
611212321525
71561363622
oct433342335
9164728108
1074302685
1138a3a786
1220a732a5
13125170b2
149c22349
1567ca925
hex46dc4dd

74302685 has 8 divisors (see below), whose sum is σ = 90385080. Its totient is φ = 58627584.

The previous prime is 74302681. The next prime is 74302717. The reversal of 74302685 is 58620347.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32761 + 74269924 = 181^2 + 8618^2 .

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 74302685 - 22 = 74302681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74302681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101420 + ... + 102149.

It is an arithmetic number, because the mean of its divisors is an integer number (11298135).

Almost surely, 274302685 is an apocalyptic number.

It is an amenable number.

74302685 is a deficient number, since it is larger than the sum of its proper divisors (16082395).

74302685 is a wasteful number, since it uses less digits than its factorization.

74302685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203647.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 74302685 is about 8619.9005214678. The cubic root of 74302685 is about 420.4052871669.

The spelling of 74302685 in words is "seventy-four million, three hundred two thousand, six hundred eighty-five".

Divisors: 1 5 73 365 203569 1017845 14860537 74302685