747984728 has 8 divisors (see below), whose sum is σ = 1402471380. Its totient is φ = 373992360.

The previous prime is 747984673. The next prime is 747984737. The reversal of 747984728 is 827489747.

It is a happy number.

747984728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46749038 + ... + 46749053.

Almost surely, 2^747984728 is an apocalyptic number.

It is an amenable number.

747984728 is a deficient number, since it is larger than the sum of its proper divisors (654486652).

747984728 is a wasteful number, since it uses less digits than its factorization.

747984728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93498097 (or 93498093 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 56.

The square root of 747984728 is about 27349.3094611180. The cubic root of 747984728 is about 907.7457903901.

The spelling of 747984728 in words is "seven hundred forty-seven million, nine hundred eighty-four thousand, seven hundred twenty-eight".