74939283 has 16 divisors (see below), whose sum is σ = 111519360. Its totient is φ = 49735368.

The previous prime is 74939261. The next prime is 74939309. The reversal of 74939283 is 38293947.

It is a happy number.

It is not a de Polignac number, because 74939283 - 2¹² = 74935187 is a prime.

It is a super-2 number, since 2×74939283² = 11231792273108178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74939233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (6969960).

Almost surely, 2^74939283 is an apocalyptic number.

74939283 is a deficient number, since it is larger than the sum of its proper divisors (36580077).

74939283 is a wasteful number, since it uses less digits than its factorization.

74939283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463 (or 12457 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 74939283 is about 8656.7478304500. The cubic root of 74939283 is about 421.6025003692.

The spelling of 74939283 in words is "seventy-four million, nine hundred thirty-nine thousand, two hundred eighty-three".