672986547576 has 80 divisors (see below), whose sum is σ = 2154269121840. Its totient is φ = 192281869440.

The previous prime is 672986547559. The next prime is 672986547577. The reversal of 672986547576 is 675745689276.

672986547576 is a `hidden beast` number, since 6 + 7 + 2 + 9 + 8 + 6 + 5 + 47 + 576 = 666.

It is a super-2 number, since 2×672986547576² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672986547577) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74178285 + ... + 74187356.

It is an arithmetic number, because the mean of its divisors is an integer number (26928364023).

Almost surely, 2^672986547576 is an apocalyptic number.

It is an amenable number.

672986547576 is an abundant number, since it is smaller than the sum of its proper divisors (1481282574264).

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

672986547576 is a wasteful number, since it uses less digits than its factorization.

672986547576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148365666 (or 148365653 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 72.

The spelling of 672986547576 in words is "six hundred seventy-two billion, nine hundred eighty-six million, five hundred forty-seven thousand, five hundred seventy-six".