672007571455420 has 12 divisors (see below), whose sum is σ = 1411215900056424. Its totient is φ = 268803028582160.

The previous prime is 672007571455411. The next prime is 672007571455421. The reversal of 672007571455420 is 24554175700276.

It is a super-2 number, since 2×672007571455420² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672007571455421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16800189286366 + ... + 16800189286405.

It is an arithmetic number, because the mean of its divisors is an integer number (117601325004702).

Almost surely, 2^{672007571455420} is an apocalyptic number.

It is an amenable number.

672007571455420 is an abundant number, since it is smaller than the sum of its proper divisors (739208328601004).

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

672007571455420 is a wasteful number, since it uses less digits than its factorization.

672007571455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33600378572780 (or 33600378572778 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 55.

The spelling of 672007571455420 in words is "six hundred seventy-two trillion, seven billion, five hundred seventy-one million, four hundred fifty-five thousand, four hundred twenty".