74905937 has 2 divisors, whose sum is σ = 74905938. Its totient is φ = 74905936.

The previous prime is 74905913. The next prime is 74905973. The reversal of 74905937 is 73950947.

It is a happy number.

Together with next prime (74905973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 31990336 = 6551^2 + 5656^2 .

It is a cyclic number.

It is not a de Polignac number, because 74905937 - 2⁸ = 74905681 is a prime.

It is a super-2 number, since 2×74905937² = 11221798795695938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74905837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37452968 + 37452969.

It is an arithmetic number, because the mean of its divisors is an integer number (37452969).

Almost surely, 2^74905937 is an apocalyptic number.

It is an amenable number.

74905937 is a deficient number, since it is larger than the sum of its proper divisors (1).

74905937 is an equidigital number, since it uses as much as digits as its factorization.

74905937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 74905937 is about 8654.8216041696. The cubic root of 74905937 is about 421.5399571023.

The spelling of 74905937 in words is "seventy-four million, nine hundred five thousand, nine hundred thirty-seven".