74746537 has 2 divisors, whose sum is σ = 74746538. Its totient is φ = 74746536.

The previous prime is 74746531. The next prime is 74746547. The reversal of 74746537 is 73564747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64384576 + 10361961 = 8024^2 + 3219^2 .

It is a cyclic number.

It is not a de Polignac number, because 74746537 - 2⁷ = 74746409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74746493 and 74746502.

It is not a weakly prime, because it can be changed into another prime (74746531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37373268 + 37373269.

It is an arithmetic number, because the mean of its divisors is an integer number (37373269).

Almost surely, 2^74746537 is an apocalyptic number.

It is an amenable number.

74746537 is a deficient number, since it is larger than the sum of its proper divisors (1).

74746537 is an equidigital number, since it uses as much as digits as its factorization.

74746537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 43.

The square root of 74746537 is about 8645.6079601148. The cubic root of 74746537 is about 421.2407320969.

The spelling of 74746537 in words is "seventy-four million, seven hundred forty-six thousand, five hundred thirty-seven".