672157500 has 360 divisors, whose sum is σ = 2393233920. Its totient is φ = 146160000.

The previous prime is 672157487. The next prime is 672157573. The reversal of 672157500 is 5751276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11392471 + ... + 11392529.

It is an arithmetic number, because the mean of its divisors is an integer number (6647872).

Almost surely, 2^672157500 is an apocalyptic number.

672157500 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 672157500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196616960).

672157500 is an abundant number, since it is smaller than the sum of its proper divisors (1721076420).

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

672157500 is a wasteful number, since it uses less digits than its factorization.

672157500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 672157500 is about 25926.0004628558. Note that the first 3 decimals coincide. The cubic root of 672157500 is about 875.9722526187.

The spelling of 672157500 in words is "six hundred seventy-two million, one hundred fifty-seven thousand, five hundred".