672993792 has 160 divisors (see below), whose sum is σ = 2018174400. Its totient is φ = 221405184.

The previous prime is 672993791. The next prime is 672993793. The reversal of 672993792 is 297399276.

It is an interprime number because it is at equal distance from previous prime (672993791) and next prime (672993793).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672993791) 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, 1230063 + ... + 1230609.

It is an arithmetic number, because the mean of its divisors is an integer number (12613590).

Almost surely, 2^672993792 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 672993792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009087200).

672993792 is an abundant number, since it is smaller than the sum of its proper divisors (1345180608).

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

672993792 is an equidigital number, since it uses as much as digits as its factorization.

672993792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 641 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 672993792 is about 25942.1238914627. The cubic root of 672993792 is about 876.3353941833.

The spelling of 672993792 in words is "six hundred seventy-two million, nine hundred ninety-three thousand, seven hundred ninety-two".