74628793 has 16 divisors (see below), whose sum is σ = 80607744. Its totient is φ = 68843520.

The previous prime is 74628791. The next prime is 74628797. The reversal of 74628793 is 39782647.

It is a cyclic number.

It is not a de Polignac number, because 74628793 - 2¹ = 74628791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74628791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275248 + ... + 275518.

It is an arithmetic number, because the mean of its divisors is an integer number (5037984).

Almost surely, 2^74628793 is an apocalyptic number.

It is an amenable number.

74628793 is a deficient number, since it is larger than the sum of its proper divisors (5978951).

74628793 is a wasteful number, since it uses less digits than its factorization.

74628793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 508032, while the sum is 46.

The square root of 74628793 is about 8638.7958072870. The cubic root of 74628793 is about 421.0194302732.

The spelling of 74628793 in words is "seventy-four million, six hundred twenty-eight thousand, seven hundred ninety-three".