749347760 has 80 divisors (see below), whose sum is σ = 2108275776. Its totient is φ = 241803264.

The previous prime is 749347759. The next prime is 749347789. The reversal of 749347760 is 67743947.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29837 + ... + 48876.

Almost surely, 2^749347760 is an apocalyptic number.

749347760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749347760 is an abundant number, since it is smaller than the sum of its proper divisors (1358928016).

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

749347760 is a wasteful number, since it uses less digits than its factorization.

749347760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78750 (or 78744 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The square root of 749347760 is about 27374.2170664295. The cubic root of 749347760 is about 908.2968425334.

The spelling of 749347760 in words is "seven hundred forty-nine million, three hundred forty-seven thousand, seven hundred sixty".