842979672 has 24 divisors (see below), whose sum is σ = 2283070140. Its totient is φ = 280993200.

The previous prime is 842979617. The next prime is 842979713. The reversal of 842979672 is 276979248.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×842979672² = 1421229454810455168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5853954 + ... + 5854097.

Almost surely, 2^842979672 is an apocalyptic number.

It is an amenable number.

842979672 is an abundant number, since it is smaller than the sum of its proper divisors (1440090468).

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

842979672 is a wasteful number, since it uses less digits than its factorization.

842979672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708063 (or 11708056 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 842979672 is about 29034.1122130504. The cubic root of 842979672 is about 944.6531287610.

The spelling of 842979672 in words is "eight hundred forty-two million, nine hundred seventy-nine thousand, six hundred seventy-two".