74650556 has 6 divisors (see below), whose sum is σ = 130638480. Its totient is φ = 37325276.

The previous prime is 74650549. The next prime is 74650559. The reversal of 74650556 is 65505647.

It is a super-2 number, since 2×74650556² = 11145411022218272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74650559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9331316 + ... + 9331323.

It is an arithmetic number, because the mean of its divisors is an integer number (21773080).

Almost surely, 2^74650556 is an apocalyptic number.

It is an amenable number.

74650556 is a deficient number, since it is larger than the sum of its proper divisors (55987924).

74650556 is a wasteful number, since it uses less digits than its factorization.

74650556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662643 (or 18662641 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 74650556 is about 8640.0553238969. The cubic root of 74650556 is about 421.0603517236.

The spelling of 74650556 in words is "seventy-four million, six hundred fifty thousand, five hundred fifty-six".