672361325587544 has 16 divisors (see below), whose sum is σ = 1334834984622600. Its totient is φ = 316405329688192.

The previous prime is 672361325587429. The next prime is 672361325587547. The reversal of 672361325587544 is 445785523163276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672361325587547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471916638054 + ... + 2471916638325.

Almost surely, 2^{672361325587544} is an apocalyptic number.

It is an amenable number.

672361325587544 is a deficient number, since it is larger than the sum of its proper divisors (662473659035056).

672361325587544 is a wasteful number, since it uses less digits than its factorization.

672361325587544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943833276402 (or 4943833276398 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 68.

The spelling of 672361325587544 in words is "six hundred seventy-two trillion, three hundred sixty-one billion, three hundred twenty-five million, five hundred eighty-seven thousand, five hundred forty-four".