756729472 has 32 divisors (see below), whose sum is σ = 1508947200. Its totient is φ = 378013440.

The previous prime is 756729427. The next prime is 756729527. The reversal of 756729472 is 274927657.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186279 + ... + 190297.

It is an arithmetic number, because the mean of its divisors is an integer number (47154600).

Almost surely, 2^756729472 is an apocalyptic number.

It is an amenable number.

756729472 is a deficient number, since it is larger than the sum of its proper divisors (752217728).

756729472 is a wasteful number, since it uses less digits than its factorization.

756729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5492 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The square root of 756729472 is about 27508.7162913866. The cubic root of 756729472 is about 911.2696008951.

The spelling of 756729472 in words is "seven hundred fifty-six million, seven hundred twenty-nine thousand, four hundred seventy-two".