74471976789 has 36 divisors (see below), whose sum is σ = 122701868064. Its totient is φ = 40052132736.

The previous prime is 74471976743. The next prime is 74471976809. The reversal of 74471976789 is 98767917447.

It is not a de Polignac number, because 74471976789 - 2⁹ = 74471976277 is a prime.

It is a super-2 number, since 2×74471976789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74471975789) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 834009 + ... + 918974.

It is an arithmetic number, because the mean of its divisors is an integer number (3408385224).

Almost surely, 2^74471976789 is an apocalyptic number.

It is an amenable number.

74471976789 is a deficient number, since it is larger than the sum of its proper divisors (48229891275).

74471976789 is a wasteful number, since it uses less digits than its factorization.

74471976789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753034 (or 1753010 counting only the distinct ones).

The product of its digits is 149361408, while the sum is 69.

The spelling of 74471976789 in words is "seventy-four billion, four hundred seventy-one million, nine hundred seventy-six thousand, seven hundred eighty-nine".