74635081 has 4 divisors (see below), whose sum is σ = 74675664. Its totient is φ = 74594500.

The previous prime is 74635039. The next prime is 74635091. The reversal of 74635081 is 18053647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74635081 - 2¹⁵ = 74602313 is a prime.

It is a super-2 number, since 2×74635081² = 11140790631753122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74635091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17395 + ... + 21256.

It is an arithmetic number, because the mean of its divisors is an integer number (18668916).

Almost surely, 2^74635081 is an apocalyptic number.

It is an amenable number.

74635081 is a deficient number, since it is larger than the sum of its proper divisors (40583).

74635081 is a wasteful number, since it uses less digits than its factorization.

74635081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40582.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 74635081 is about 8639.1597392339. The cubic root of 74635081 is about 421.0312545559.

It can be divided in two parts, 7463 and 5081, that added together give a square (12544 = 112²).

The spelling of 74635081 in words is "seventy-four million, six hundred thirty-five thousand, eighty-one".