747971608 has 8 divisors (see below), whose sum is σ = 1402446780. Its totient is φ = 373985800.

The previous prime is 747971591. The next prime is 747971611. The reversal of 747971608 is 806179747.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46748218 + ... + 46748233.

Almost surely, 2^747971608 is an apocalyptic number.

It is an amenable number.

747971608 is a deficient number, since it is larger than the sum of its proper divisors (654475172).

747971608 is a wasteful number, since it uses less digits than its factorization.

747971608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93496457 (or 93496453 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 747971608 is about 27349.0696002625. The cubic root of 747971608 is about 907.7404829313.

The spelling of 747971608 in words is "seven hundred forty-seven million, nine hundred seventy-one thousand, six hundred eight".