672596315820 has 480 divisors, whose sum is σ = 2482042945536. Its totient is φ = 150316300800.

The previous prime is 672596315801. The next prime is 672596315821. The reversal of 672596315820 is 28513695276.

672596315820 is a `hidden beast` number, since 6 + 7 + 2 + 59 + 6 + 3 + 1 + 582 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (672596315821) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 251813085 + ... + 251815755.

Almost surely, 2^672596315820 is an apocalyptic number.

672596315820 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 672596315820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241021472768).

672596315820 is an abundant number, since it is smaller than the sum of its proper divisors (1809446629716).

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

672596315820 is a wasteful number, since it uses less digits than its factorization.

672596315820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 672596315820 in words is "six hundred seventy-two billion, five hundred ninety-six million, three hundred fifteen thousand, eight hundred twenty".