74965537 has 2 divisors, whose sum is σ = 74965538. Its totient is φ = 74965536.

The previous prime is 74965519. The next prime is 74965543. The reversal of 74965537 is 73556947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 30129121 = 6696^2 + 5489^2 .

It is a cyclic number.

It is not a de Polignac number, because 74965537 - 2¹⁵ = 74932769 is a prime.

It is not a weakly prime, because it can be changed into another prime (74965547) 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, 37482768 + 37482769.

It is an arithmetic number, because the mean of its divisors is an integer number (37482769).

Almost surely, 2^74965537 is an apocalyptic number.

It is an amenable number.

74965537 is a deficient number, since it is larger than the sum of its proper divisors (1).

74965537 is an equidigital number, since it uses as much as digits as its factorization.

74965537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 46.

The square root of 74965537 is about 8658.2640869865. The cubic root of 74965537 is about 421.6517289325.

The spelling of 74965537 in words is "seventy-four million, nine hundred sixty-five thousand, five hundred thirty-seven".