74497967 has 2 divisors, whose sum is σ = 74497968. Its totient is φ = 74497966.

The previous prime is 74497949. The next prime is 74497979. The reversal of 74497967 is 76979447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74497967 - 2²⁶ = 7389103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74497937) 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, 37248983 + 37248984.

It is an arithmetic number, because the mean of its divisors is an integer number (37248984).

Almost surely, 2^74497967 is an apocalyptic number.

74497967 is a deficient number, since it is larger than the sum of its proper divisors (1).

74497967 is an equidigital number, since it uses as much as digits as its factorization.

74497967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 53.

The square root of 74497967 is about 8631.2204814846. The cubic root of 74497967 is about 420.7732674415.

The spelling of 74497967 in words is "seventy-four million, four hundred ninety-seven thousand, nine hundred sixty-seven".