74764037 has 2 divisors, whose sum is σ = 74764038. Its totient is φ = 74764036.

The previous prime is 74764009. The next prime is 74764043. The reversal of 74764037 is 73046747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72829156 + 1934881 = 8534^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 74764037 - 2²⁰ = 73715461 is a prime.

It is a super-2 number, since 2×74764037² = 11179322457074738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74764097) 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 as a sum of consecutive naturals, namely, 37382018 + 37382019.

It is an arithmetic number, because the mean of its divisors is an integer number (37382019).

Almost surely, 2^74764037 is an apocalyptic number.

It is an amenable number.

74764037 is a deficient number, since it is larger than the sum of its proper divisors (1).

74764037 is an equidigital number, since it uses as much as digits as its factorization.

74764037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 74764037 is about 8646.6199754586. The cubic root of 74764037 is about 421.2736037985.

The spelling of 74764037 in words is "seventy-four million, seven hundred sixty-four thousand, thirty-seven".