670722073600 has 132 divisors (see below), whose sum is σ = 1670471512048. Its totient is φ = 267015168000.

The previous prime is 670722073589. The next prime is 670722073627. The reversal of 670722073600 is 6370227076.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5339515 + ... + 5463685.

Almost surely, 2^670722073600 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 670722073600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835235756024).

670722073600 is an abundant number, since it is smaller than the sum of its proper divisors (999749438448).

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

670722073600 is a wasteful number, since it uses less digits than its factorization.

670722073600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124412 (or 124389 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 670722073600 in words is "six hundred seventy billion, seven hundred twenty-two million, seventy-three thousand, six hundred".