672702716544 has 256 divisors, whose sum is σ = 1917096854400. Its totient is φ = 208255057920.

The previous prime is 672702716509. The next prime is 672702716549. The reversal of 672702716544 is 445617207276.

It is a super-2 number, since 2×672702716544² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (672702716549) 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, 246319659 + ... + 246322389.

Almost surely, 2^672702716544 is an apocalyptic number.

672702716544 is a gapful number since it is divisible by the number (64) 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 672702716544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958548427200).

672702716544 is an abundant number, since it is smaller than the sum of its proper divisors (1244394137856).

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

672702716544 is a wasteful number, since it uses less digits than its factorization.

672702716544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 672702716544 in words is "six hundred seventy-two billion, seven hundred two million, seven hundred sixteen thousand, five hundred forty-four".