74663942 has 4 divisors (see below), whose sum is σ = 111995916. Its totient is φ = 37331970.

The previous prime is 74663921. The next prime is 74663987. The reversal of 74663942 is 24936647.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74663942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18665984 + ... + 18665987.

It is an arithmetic number, because the mean of its divisors is an integer number (27998979).

Almost surely, 2^74663942 is an apocalyptic number.

74663942 is a deficient number, since it is larger than the sum of its proper divisors (37331974).

74663942 is a wasteful number, since it uses less digits than its factorization.

74663942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37331973.

The product of its digits is 217728, while the sum is 41.

The square root of 74663942 is about 8640.8299369910. The cubic root of 74663942 is about 421.0855177652.

The spelling of 74663942 in words is "seventy-four million, six hundred sixty-three thousand, nine hundred forty-two".