74130723 has 12 divisors (see below), whose sum is σ = 112713640. Its totient is φ = 46819296.

The previous prime is 74130713. The next prime is 74130733. The reversal of 74130723 is 32703147.

It is an interprime number because it is at equal distance from previous prime (74130713) and next prime (74130733).

It is not a de Polignac number, because 74130723 - 2⁵ = 74130691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74130713) 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, 216586 + ... + 216927.

Almost surely, 2^74130723 is an apocalyptic number.

74130723 is a deficient number, since it is larger than the sum of its proper divisors (38582917).

74130723 is a wasteful number, since it uses less digits than its factorization.

74130723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433538 (or 433535 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74130723 is about 8609.9200344719. The cubic root of 74130723 is about 420.0807157795.

The spelling of 74130723 in words is "seventy-four million, one hundred thirty thousand, seven hundred twenty-three".