749356429920 has 96 divisors (see below), whose sum is σ = 2697683159808. Its totient is φ = 171281468928.

The previous prime is 749356429907. The next prime is 749356429937. The reversal of 749356429920 is 29924653947.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111508014 + ... + 111514733.

It is an arithmetic number, because the mean of its divisors is an integer number (28100866248).

Almost surely, 2^749356429920 is an apocalyptic number.

749356429920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749356429920 is an abundant number, since it is smaller than the sum of its proper divisors (1948326729888).

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

749356429920 is a wasteful number, since it uses less digits than its factorization.

749356429920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223022772 (or 223022764 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 749356429920 in words is "seven hundred forty-nine billion, three hundred fifty-six million, four hundred twenty-nine thousand, nine hundred twenty".