74757897 has 20 divisors (see below), whose sum is σ = 113575440. Its totient is φ = 48990744.

The previous prime is 74757841. The next prime is 74757929. The reversal of 74757897 is 79875747.

It is not a de Polignac number, because 74757897 - 2¹⁰ = 74756873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74757197) 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 19 ways as a sum of consecutive naturals, for example, 3043 + ... + 12600.

It is an arithmetic number, because the mean of its divisors is an integer number (5678772).

Almost surely, 2^74757897 is an apocalyptic number.

It is an amenable number.

74757897 is a deficient number, since it is larger than the sum of its proper divisors (38817543).

74757897 is a wasteful number, since it uses less digits than its factorization.

74757897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15714 (or 15705 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 54.

The square root of 74757897 is about 8646.2649161358. The cubic root of 74757897 is about 421.2620711114.

The spelling of 74757897 in words is "seventy-four million, seven hundred fifty-seven thousand, eight hundred ninety-seven".