74889937 has 2 divisors, whose sum is σ = 74889938. Its totient is φ = 74889936.

The previous prime is 74889929. The next prime is 74889967. The reversal of 74889937 is 73998847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74235456 + 654481 = 8616^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 74889937 - 2³ = 74889929 is a prime.

It is not a weakly prime, because it can be changed into another prime (74889967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37444968 + 37444969.

It is an arithmetic number, because the mean of its divisors is an integer number (37444969).

Almost surely, 2^74889937 is an apocalyptic number.

It is an amenable number.

74889937 is a deficient number, since it is larger than the sum of its proper divisors (1).

74889937 is an equidigital number, since it uses as much as digits as its factorization.

74889937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 74889937 is about 8653.8972145502. The cubic root of 74889937 is about 421.5099411478.

The spelling of 74889937 in words is "seventy-four million, eight hundred eighty-nine thousand, nine hundred thirty-seven".