74963971 has 2 divisors, whose sum is σ = 74963972. Its totient is φ = 74963970.

The previous prime is 74963963. The next prime is 74963981. The reversal of 74963971 is 17936947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74963971 - 2³ = 74963963 is a prime.

It is not a weakly prime, because it can be changed into another prime (74963981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37481985 + 37481986.

It is an arithmetic number, because the mean of its divisors is an integer number (37481986).

Almost surely, 2^74963971 is an apocalyptic number.

74963971 is a deficient number, since it is larger than the sum of its proper divisors (1).

74963971 is an equidigital number, since it uses as much as digits as its factorization.

74963971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 74963971 is about 8658.1736526822. The cubic root of 74963971 is about 421.6487928669.

The spelling of 74963971 in words is "seventy-four million, nine hundred sixty-three thousand, nine hundred seventy-one".