672418422 has 96 divisors (see below), whose sum is σ = 1651104000. Its totient is φ = 203847840.

The previous prime is 672418421. The next prime is 672418423. The reversal of 672418422 is 224814276.

It is an interprime number because it is at equal distance from previous prime (672418421) and next prime (672418423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672418421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447829 + ... + 449327.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^672418422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672418422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825552000).

672418422 is an abundant number, since it is smaller than the sum of its proper divisors (978685578).

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

672418422 is a wasteful number, since it uses less digits than its factorization.

672418422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1588 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 672418422 is about 25931.0320272834. The cubic root of 672418422 is about 876.0855846200.

The spelling of 672418422 in words is "six hundred seventy-two million, four hundred eighteen thousand, four hundred twenty-two".