74652081 has 16 divisors (see below), whose sum is σ = 114822144. Its totient is φ = 42258384.

The previous prime is 74652079. The next prime is 74652091. The reversal of 74652081 is 18025647.

It is not a de Polignac number, because 74652081 - 2¹ = 74652079 is a prime.

It is a super-2 number, since 2×74652081² = 11145866395261122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74652041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14365 + ... + 18858.

It is an arithmetic number, because the mean of its divisors is an integer number (7176384).

Almost surely, 2^74652081 is an apocalyptic number.

It is an amenable number.

74652081 is a deficient number, since it is larger than the sum of its proper divisors (40170063).

74652081 is a wasteful number, since it uses less digits than its factorization.

74652081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33340.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 74652081 is about 8640.1435751960. The cubic root of 74652081 is about 421.0632189166.

The spelling of 74652081 in words is "seventy-four million, six hundred fifty-two thousand, eighty-one".