74900897 has 4 divisors (see below), whose sum is σ = 74949396. Its totient is φ = 74852400.

The previous prime is 74900873. The next prime is 74900911. The reversal of 74900897 is 79800947.

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 45751696 + 29149201 = 6764^2 + 5399^2 .

It is a cyclic number.

It is not a de Polignac number, because 74900897 - 2¹⁶ = 74835361 is a prime.

It is a super-2 number, since 2×74900897² = 11220288742809218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74900197) 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, 21854 + ... + 25047.

It is an arithmetic number, because the mean of its divisors is an integer number (18737349).

Almost surely, 2^74900897 is an apocalyptic number.

It is an amenable number.

74900897 is a deficient number, since it is larger than the sum of its proper divisors (48499).

74900897 is a wasteful number, since it uses less digits than its factorization.

74900897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48498.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 74900897 is about 8654.5304320916. The cubic root of 74900897 is about 421.5305025378.

The spelling of 74900897 in words is "seventy-four million, nine hundred thousand, eight hundred ninety-seven".