747987734 has 16 divisors (see below), whose sum is σ = 1228098480. Its totient is φ = 339564960.

The previous prime is 747987707. The next prime is 747987767. The reversal of 747987734 is 437789747.

It is a self number, because there is not a number n which added to its sum of digits gives 747987734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234224 + ... + 237395.

It is an arithmetic number, because the mean of its divisors is an integer number (76756155).

Almost surely, 2^747987734 is an apocalyptic number.

747987734 is a deficient number, since it is larger than the sum of its proper divisors (480110746).

747987734 is a wasteful number, since it uses less digits than its factorization.

747987734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471695.

The product of its digits is 8297856, while the sum is 56.

The square root of 747987734 is about 27349.3644167465. The cubic root of 747987734 is about 907.7470064044.

The spelling of 747987734 in words is "seven hundred forty-seven million, nine hundred eighty-seven thousand, seven hundred thirty-four".