747220892 has 24 divisors (see below), whose sum is σ = 1427995632. Its totient is φ = 339292800.

The previous prime is 747220891. The next prime is 747220897. The reversal of 747220892 is 298022747.

It is a super-2 number, since 2×747220892² = 1116678122882551328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747220891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36608 + ... + 53240.

It is an arithmetic number, because the mean of its divisors is an integer number (59499818).

Almost surely, 2^747220892 is an apocalyptic number.

It is an amenable number.

747220892 is a deficient number, since it is larger than the sum of its proper divisors (680774740).

747220892 is a wasteful number, since it uses less digits than its factorization.

747220892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669 (or 17667 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 747220892 is about 27335.3414465596. The cubic root of 747220892 is about 907.4366909115.

The spelling of 747220892 in words is "seven hundred forty-seven million, two hundred twenty thousand, eight hundred ninety-two".