749097894160 has 80 divisors (see below), whose sum is σ = 2171411056512. Its totient is φ = 233485056000.

The previous prime is 749097894131. The next prime is 749097894161. The reversal of 749097894160 is 61498790947.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×749097894160² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749097894092 and 749097894101.

It is not an unprimeable number, because it can be changed into a prime (749097894161) 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, 60797241 + ... + 60809560.

Almost surely, 2^749097894160 is an apocalyptic number.

749097894160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749097894160 is an abundant number, since it is smaller than the sum of its proper divisors (1422313162352).

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

749097894160 is a wasteful number, since it uses less digits than its factorization.

749097894160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121606832 (or 121606826 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 749097894160 in words is "seven hundred forty-nine billion, ninety-seven million, eight hundred ninety-four thousand, one hundred sixty".