74425951 has 2 divisors, whose sum is σ = 74425952. Its totient is φ = 74425950.

The previous prime is 74425943. The next prime is 74425961. The reversal of 74425951 is 15952447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74425951 - 2³ = 74425943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74425951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74425921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37212975 + 37212976.

It is an arithmetic number, because the mean of its divisors is an integer number (37212976).

Almost surely, 2^74425951 is an apocalyptic number.

74425951 is a deficient number, since it is larger than the sum of its proper divisors (1).

74425951 is an equidigital number, since it uses as much as digits as its factorization.

74425951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 74425951 is about 8627.0476409952. The cubic root of 74425951 is about 420.6376387866.

The spelling of 74425951 in words is "seventy-four million, four hundred twenty-five thousand, nine hundred fifty-one".