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74770071 = 3199125243
BaseRepresentation
bin1000111010011…
…10011010010111
312012200201020220
410131032122113
5123120120241
611230325423
71565351355
oct435163227
9165621226
1074770071
1139229952
1221059873
131264ba5c
149d047d5
15686e166
hex474e697

74770071 has 8 divisors (see below), whose sum is σ = 100195200. Its totient is φ = 49595832.

The previous prime is 74770067. The next prime is 74770093. The reversal of 74770071 is 17007747.

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

It is not a de Polignac number, because 74770071 - 22 = 74770067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74770001) 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, 62025 + ... + 63218.

It is an arithmetic number, because the mean of its divisors is an integer number (12524400).

Almost surely, 274770071 is an apocalyptic number.

74770071 is a deficient number, since it is larger than the sum of its proper divisors (25425129).

74770071 is a wasteful number, since it uses less digits than its factorization.

74770071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125445.

The product of its (nonzero) digits is 9604, while the sum is 33.

The square root of 74770071 is about 8646.9688908889. The cubic root of 74770071 is about 421.2849367720.

The spelling of 74770071 in words is "seventy-four million, seven hundred seventy thousand, seventy-one".

Divisors: 1 3 199 597 125243 375729 24923357 74770071