747651948 has 24 divisors (see below), whose sum is σ = 1745103360. Its totient is φ = 249134160.

The previous prime is 747651913. The next prime is 747651991. The reversal of 747651948 is 849156747.

It is a self number, because there is not a number n which added to its sum of digits gives 747651948.

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, 34993 + ... + 52151.

It is an arithmetic number, because the mean of its divisors is an integer number (72712640).

Almost surely, 2^747651948 is an apocalyptic number.

It is an amenable number.

747651948 is an abundant number, since it is smaller than the sum of its proper divisors (997451412).

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

747651948 is a wasteful number, since it uses less digits than its factorization.

747651948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20797 (or 20795 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 747651948 is about 27343.2249012438. The cubic root of 747651948 is about 907.6111510753.

The spelling of 747651948 in words is "seven hundred forty-seven million, six hundred fifty-one thousand, nine hundred forty-eight".