74465137 has 2 divisors, whose sum is σ = 74465138. Its totient is φ = 74465136.

The previous prime is 74465129. The next prime is 74465177. The reversal of 74465137 is 73156447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 2283121 = 8496^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 74465137 - 2³ = 74465129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74465096 and 74465105.

It is not a weakly prime, because it can be changed into another prime (74465177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37232568 + 37232569.

It is an arithmetic number, because the mean of its divisors is an integer number (37232569).

Almost surely, 2^74465137 is an apocalyptic number.

It is an amenable number.

74465137 is a deficient number, since it is larger than the sum of its proper divisors (1).

74465137 is an equidigital number, since it uses as much as digits as its factorization.

74465137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 74465137 is about 8629.3184551273. The cubic root of 74465137 is about 420.7114491279.

The spelling of 74465137 in words is "seventy-four million, four hundred sixty-five thousand, one hundred thirty-seven".