749973099564 has 72 divisors (see below), whose sum is σ = 2130358400352. Its totient is φ = 220727865600.

The previous prime is 749973099563. The next prime is 749973099569. The reversal of 749973099564 is 465990379947.

749973099564 is a `hidden beast` number, since 7 + 499 + 73 + 0 + 9 + 9 + 5 + 64 = 666.

749973099564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 749973099492 and 749973099501.

It is not an unprimeable number, because it can be changed into a prime (749973099563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34826337 + ... + 34847864.

It is an arithmetic number, because the mean of its divisors is an integer number (29588311116).

Almost surely, 2^749973099564 is an apocalyptic number.

It is an amenable number.

749973099564 is an abundant number, since it is smaller than the sum of its proper divisors (1380385300788).

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

749973099564 is a wasteful number, since it uses less digits than its factorization.

749973099564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69674247 (or 69674242 counting only the distinct ones).

The product of its (nonzero) digits is 462944160, while the sum is 72.

The spelling of 749973099564 in words is "seven hundred forty-nine billion, nine hundred seventy-three million, ninety-nine thousand, five hundred sixty-four".