672674652 has 192 divisors, whose sum is σ = 2016322560. Its totient is φ = 192284928.

The previous prime is 672674623. The next prime is 672674657. The reversal of 672674652 is 256476276.

It is a super-2 number, since 2×672674652² = 904982374886642208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672674598 and 672674607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672674657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1194523 + ... + 1195085.

It is an arithmetic number, because the mean of its divisors is an integer number (10501680).

Almost surely, 2^672674652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672674652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008161280).

672674652 is an abundant number, since it is smaller than the sum of its proper divisors (1343647908).

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

672674652 is a wasteful number, since it uses less digits than its factorization.

672674652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 641 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 672674652 is about 25935.9721622306. The cubic root of 672674652 is about 876.1968501132.

The spelling of 672674652 in words is "six hundred seventy-two million, six hundred seventy-four thousand, six hundred fifty-two".