74575137 has 24 divisors (see below), whose sum is σ = 123057984. Its totient is φ = 39334464.

The previous prime is 74575129. The next prime is 74575183. The reversal of 74575137 is 73157547.

It is not a de Polignac number, because 74575137 - 2³ = 74575129 is a prime.

It is a super-2 number, since 2×74575137² = 11122902117137538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 74575095 and 74575104.

It is not an unprimeable number, because it can be changed into a prime (74575337) 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 23 ways as a sum of consecutive naturals, for example, 6958 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (5127416).

Almost surely, 2^74575137 is an apocalyptic number.

It is an amenable number.

74575137 is a deficient number, since it is larger than the sum of its proper divisors (48482847).

74575137 is a wasteful number, since it uses less digits than its factorization.

74575137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21049 (or 21036 counting only the distinct ones).

The product of its digits is 102900, while the sum is 39.

The square root of 74575137 is about 8635.6897234674. The cubic root of 74575137 is about 420.9185057117.

The spelling of 74575137 in words is "seventy-four million, five hundred seventy-five thousand, one hundred thirty-seven".