74182131 has 6 divisors (see below), whose sum is σ = 107151980. Its totient is φ = 49454748.

The previous prime is 74182117. The next prime is 74182159. The reversal of 74182131 is 13128147.

It is not a de Polignac number, because 74182131 - 2¹⁵ = 74149363 is a prime.

It is a super-2 number, since 2×74182131² = 11005977119402322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74182095 and 74182104.

It is not an unprimeable number, because it can be changed into a prime (74182231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4121221 + ... + 4121238.

Almost surely, 2^74182131 is an apocalyptic number.

74182131 is a deficient number, since it is larger than the sum of its proper divisors (32969849).

74182131 is a wasteful number, since it uses less digits than its factorization.

74182131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242465 (or 8242462 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 74182131 is about 8612.9049106559. The cubic root of 74182131 is about 420.1777988713.

The spelling of 74182131 in words is "seventy-four million, one hundred eighty-two thousand, one hundred thirty-one".