749470776444 has 72 divisors (see below), whose sum is σ = 2074806180720. Its totient is φ = 226697801472.

The previous prime is 749470776427. The next prime is 749470776449. The reversal of 749470776444 is 444677074947.

749470776444 is a `hidden beast` number, since 7 + 494 + 70 + 7 + 76 + 4 + 4 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749470776449) 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, 13543857 + ... + 13599080.

It is an arithmetic number, because the mean of its divisors is an integer number (28816752510).

Almost surely, 2^749470776444 is an apocalyptic number.

It is an amenable number.

749470776444 is an abundant number, since it is smaller than the sum of its proper divisors (1325335404276).

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

749470776444 is a wasteful number, since it uses less digits than its factorization.

749470776444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143019 (or 27143014 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 63.

The spelling of 749470776444 in words is "seven hundred forty-nine billion, four hundred seventy million, seven hundred seventy-six thousand, four hundred forty-four".