74755331 has 12 divisors (see below), whose sum is σ = 87218208. Its totient is φ = 63886032.

The previous prime is 74755319. The next prime is 74755339. The reversal of 74755331 is 13355747.

It is not a de Polignac number, because 74755331 - 2¹⁰ = 74754307 is a prime.

It is a super-2 number, since 2×74755331² = 11176719025839122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74755291 and 74755300.

It is not an unprimeable number, because it can be changed into a prime (74755339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15905 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (7268184).

Almost surely, 2^74755331 is an apocalyptic number.

74755331 is a deficient number, since it is larger than the sum of its proper divisors (12462877).

74755331 is a wasteful number, since it uses less digits than its factorization.

74755331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538 (or 4531 counting only the distinct ones).

The product of its digits is 44100, while the sum is 35.

The square root of 74755331 is about 8646.1165270889. The cubic root of 74755331 is about 421.2572512378.

The spelling of 74755331 in words is "seventy-four million, seven hundred fifty-five thousand, three hundred thirty-one".