72746421254514 has 48 divisors (see below), whose sum is σ = 180134599057920. Its totient is φ = 20784622144320.

The previous prime is 72746421254477. The next prime is 72746421254659. The reversal of 72746421254514 is 41545212464727.

It is a happy number.

72746421254514 is a `hidden beast` number, since 7 + 2 + 7 + 4 + 64 + 2 + 12 + 54 + 514 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45676959 + ... + 47242749.

It is an arithmetic number, because the mean of its divisors is an integer number (3752804147040).

Almost surely, 2^{72746421254514} is an apocalyptic number.

72746421254514 is an abundant number, since it is smaller than the sum of its proper divisors (107388177803406).

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

72746421254514 is a wasteful number, since it uses less digits than its factorization.

72746421254514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934535 (or 1934532 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 54.

The spelling of 72746421254514 in words is "seventy-two trillion, seven hundred forty-six billion, four hundred twenty-one million, two hundred fifty-four thousand, five hundred fourteen".