74356131 has 16 divisors (see below), whose sum is σ = 101856384. Its totient is φ = 48231744.

The previous prime is 74356127. The next prime is 74356141. The reversal of 74356131 is 13165347.

It is not a de Polignac number, because 74356131 - 2² = 74356127 is a prime.

It is a super-3 number, since 3×74356131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (74356141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14455 + ... + 18911.

It is an arithmetic number, because the mean of its divisors is an integer number (6366024).

Almost surely, 2^74356131 is an apocalyptic number.

74356131 is a deficient number, since it is larger than the sum of its proper divisors (27500253).

74356131 is a wasteful number, since it uses less digits than its factorization.

74356131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610.

The product of its digits is 7560, while the sum is 30.

The square root of 74356131 is about 8623.0001159689. Note that the first 3 decimals coincide. The cubic root of 74356131 is about 420.5060623310.

The spelling of 74356131 in words is "seventy-four million, three hundred fifty-six thousand, one hundred thirty-one".