74989927 has 2 divisors, whose sum is σ = 74989928. Its totient is φ = 74989926.

The previous prime is 74989921. The next prime is 74989963. The reversal of 74989927 is 72998947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74989927 - 2⁷ = 74989799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74989921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37494963 + 37494964.

It is an arithmetic number, because the mean of its divisors is an integer number (37494964).

Almost surely, 2^74989927 is an apocalyptic number.

74989927 is a deficient number, since it is larger than the sum of its proper divisors (1).

74989927 is an equidigital number, since it uses as much as digits as its factorization.

74989927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The square root of 74989927 is about 8659.6724533899. The cubic root of 74989927 is about 421.6974520339.

The spelling of 74989927 in words is "seventy-four million, nine hundred eighty-nine thousand, nine hundred twenty-seven".