74900437 has 2 divisors, whose sum is σ = 74900438. Its totient is φ = 74900436.

The previous prime is 74900411. The next prime is 74900447. The reversal of 74900437 is 73400947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55487601 + 19412836 = 7449^2 + 4406^2 .

It is a cyclic number.

It is not a de Polignac number, because 74900437 - 2¹⁵ = 74867669 is a prime.

It is a super-2 number, since 2×74900437² = 11220150925581938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74900447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37450218 + 37450219.

It is an arithmetic number, because the mean of its divisors is an integer number (37450219).

Almost surely, 2^74900437 is an apocalyptic number.

It is an amenable number.

74900437 is a deficient number, since it is larger than the sum of its proper divisors (1).

74900437 is an equidigital number, since it uses as much as digits as its factorization.

74900437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74900437 is about 8654.5038563744. The cubic root of 74900437 is about 421.5296396001.

The spelling of 74900437 in words is "seventy-four million, nine hundred thousand, four hundred thirty-seven".