747422679 has 16 divisors (see below), whose sum is σ = 1046154240. Its totient is φ = 474031680.

The previous prime is 747422671. The next prime is 747422737. The reversal of 747422679 is 976224747.

It is not a de Polignac number, because 747422679 - 2³ = 747422671 is a prime.

It is a super-2 number, since 2×747422679² = 1117281322167074082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747422671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62622 + ... + 73595.

It is an arithmetic number, because the mean of its divisors is an integer number (65384640).

Almost surely, 2^747422679 is an apocalyptic number.

747422679 is a deficient number, since it is larger than the sum of its proper divisors (298731561).

747422679 is a wasteful number, since it uses less digits than its factorization.

747422679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136310.

The product of its digits is 1185408, while the sum is 48.

The square root of 747422679 is about 27339.0321518520. The cubic root of 747422679 is about 907.5183679850.

It can be divided in two parts, 74742 and 2679, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 747422679 in words is "seven hundred forty-seven million, four hundred twenty-two thousand, six hundred seventy-nine".