74989770790 has 16 divisors (see below), whose sum is σ = 147252641040. Its totient is φ = 27269007520.

The previous prime is 74989770787. The next prime is 74989770799. The reversal of 74989770790 is 9707798947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74989770799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340862485 + ... + 340862704.

It is an arithmetic number, because the mean of its divisors is an integer number (9203290065).

Almost surely, 2^74989770790 is an apocalyptic number.

74989770790 is a deficient number, since it is larger than the sum of its proper divisors (72262870250).

74989770790 is a wasteful number, since it uses less digits than its factorization.

74989770790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681725207.

The product of its (nonzero) digits is 56010528, while the sum is 67.

The spelling of 74989770790 in words is "seventy-four billion, nine hundred eighty-nine million, seven hundred seventy thousand, seven hundred ninety".