74008897 has 4 divisors (see below), whose sum is σ = 74032596. Its totient is φ = 73985200.

The previous prime is 74008877. The next prime is 74008901. The reversal of 74008897 is 79880047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48566961 + 25441936 = 6969^2 + 5044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74008897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74008867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6298 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (18508149).

Almost surely, 2^74008897 is an apocalyptic number.

It is an amenable number.

74008897 is a deficient number, since it is larger than the sum of its proper divisors (23699).

74008897 is a wasteful number, since it uses less digits than its factorization.

74008897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23698.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 74008897 is about 8602.8423791210. The cubic root of 74008897 is about 419.8504702018.

The spelling of 74008897 in words is "seventy-four million, eight thousand, eight hundred ninety-seven".