74813977 has 8 divisors (see below), whose sum is σ = 86673536. Its totient is φ = 63247392.

The previous prime is 74813953. The next prime is 74813993. The reversal of 74813977 is 77931847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74813977 - 2²³ = 66425369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74813927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72693 + ... + 73714.

It is an arithmetic number, because the mean of its divisors is an integer number (10834192).

Almost surely, 2^74813977 is an apocalyptic number.

It is an amenable number.

74813977 is a deficient number, since it is larger than the sum of its proper divisors (11859559).

74813977 is a wasteful number, since it uses less digits than its factorization.

74813977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146487.

The product of its digits is 296352, while the sum is 46.

The square root of 74813977 is about 8649.5073270100. The cubic root of 74813977 is about 421.3673820464.

The spelling of 74813977 in words is "seventy-four million, eight hundred thirteen thousand, nine hundred seventy-seven".