672822720 has 224 divisors, whose sum is σ = 2430109440. Its totient is φ = 175150080.

The previous prime is 672822713. The next prime is 672822727. The reversal of 672822720 is 27228276.

It is an interprime number because it is at equal distance from previous prime (672822713) and next prime (672822727).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672822727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370615 + ... + 372425.

Almost surely, 2^672822720 is an apocalyptic number.

672822720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672822720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215054720).

672822720 is an abundant number, since it is smaller than the sum of its proper divisors (1757286720).

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

672822720 is a wasteful number, since it uses less digits than its factorization.

672822720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 672822720 is about 25938.8264962006. The cubic root of 672822720 is about 876.2611343834.

The spelling of 672822720 in words is "six hundred seventy-two million, eight hundred twenty-two thousand, seven hundred twenty".