74904713 has 4 divisors (see below), whose sum is σ = 80666628. Its totient is φ = 69142800.

The previous prime is 74904679. The next prime is 74904733. The reversal of 74904713 is 31740947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31740947 = 7 ⋅4534421.

It can be written as a sum of positive squares in 2 ways, for example, as 41113744 + 33790969 = 6412^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 74904713 - 2⁸ = 74904457 is a prime.

It is a super-2 number, since 2×74904713² = 11221432059224738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74904733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880938 + ... + 2880963.

It is an arithmetic number, because the mean of its divisors is an integer number (20166657).

Almost surely, 2^74904713 is an apocalyptic number.

It is an amenable number.

74904713 is a deficient number, since it is larger than the sum of its proper divisors (5761915).

74904713 is a wasteful number, since it uses less digits than its factorization.

74904713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761914.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 74904713 is about 8654.7508918512. The cubic root of 74904713 is about 421.5376610327.

The spelling of 74904713 in words is "seventy-four million, nine hundred four thousand, seven hundred thirteen".