73426769928 has 24 divisors (see below), whose sum is σ = 198864168750. Its totient is φ = 24475589952.

The previous prime is 73426769921. The next prime is 73426769939. The reversal of 73426769928 is 82996762437.

It can be written as a sum of positive squares in only one way, i.e., 52321072644 + 21105697284 = 228738^2 + 145278^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (73426769921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509908053 + ... + 509908196.

Almost surely, 2^73426769928 is an apocalyptic number.

It is an amenable number.

73426769928 is an abundant number, since it is smaller than the sum of its proper divisors (125437398822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73426769928 is a wasteful number, since it uses less digits than its factorization.

73426769928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019816261 (or 1019816254 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 73426769928 in words is "seventy-three billion, four hundred twenty-six million, seven hundred sixty-nine thousand, nine hundred twenty-eight".