74690739 has 12 divisors (see below), whose sum is σ = 108185376. Its totient is φ = 49655952.

The previous prime is 74690719. The next prime is 74690771. The reversal of 74690739 is 93709647.

It is not a de Polignac number, because 74690739 - 2⁹ = 74690227 is a prime.

It is a super-2 number, since 2×74690739² = 11157412984732242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74690694 and 74690703.

It is not an unprimeable number, because it can be changed into a prime (74690719) 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, 8004 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (9015448).

Almost surely, 2^74690739 is an apocalyptic number.

74690739 is a deficient number, since it is larger than the sum of its proper divisors (33494637).

74690739 is a wasteful number, since it uses less digits than its factorization.

74690739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986 (or 22983 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 74690739 is about 8642.3804012552. The cubic root of 74690739 is about 421.1358878130.

The spelling of 74690739 in words is "seventy-four million, six hundred ninety thousand, seven hundred thirty-nine".