74134956 has 48 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 21134400.

The previous prime is 74134937. The next prime is 74134961. The reversal of 74134956 is 65943147.

It is a super-2 number, since 2×74134956² = 10991983402243872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58255 + ... + 59513.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^74134956 is an apocalyptic number.

It is an amenable number.

74134956 is an abundant number, since it is smaller than the sum of its proper divisors (123997524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74134956 is a wasteful number, since it uses less digits than its factorization.

74134956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1972 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 74134956 is about 8610.1658520612. The cubic root of 74134956 is about 420.0887114200.

The spelling of 74134956 in words is "seventy-four million, one hundred thirty-four thousand, nine hundred fifty-six".