74739339 has 6 divisors (see below), whose sum is σ = 107956836. Its totient is φ = 49826220.

The previous prime is 74739337. The next prime is 74739341. The reversal of 74739339 is 93393747.

It is an interprime number because it is at equal distance from previous prime (74739337) and next prime (74739341).

It is not a de Polignac number, because 74739339 - 2¹ = 74739337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74739294 and 74739303.

It is not an unprimeable number, because it can be changed into a prime (74739337) 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, 4152177 + ... + 4152194.

It is an arithmetic number, because the mean of its divisors is an integer number (17992806).

Almost surely, 2^74739339 is an apocalyptic number.

74739339 is a deficient number, since it is larger than the sum of its proper divisors (33217497).

74739339 is a wasteful number, since it uses less digits than its factorization.

74739339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304377 (or 8304374 counting only the distinct ones).

The product of its digits is 428652, while the sum is 45.

The square root of 74739339 is about 8645.1916693616. The cubic root of 74739339 is about 421.2272100072.

It can be divided in two parts, 74739 and 339, that multiplied together give a triangular number (25336521 = T₇₁₁₈).

The spelling of 74739339 in words is "seventy-four million, seven hundred thirty-nine thousand, three hundred thirty-nine".