72748642583 has 8 divisors (see below), whose sum is σ = 72825680640. Its totient is φ = 72671639040.

The previous prime is 72748642567. The next prime is 72748642597. The reversal of 72748642583 is 38524684727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72748642583 - 2⁴ = 72748642567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72748642543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6801866 + ... + 6812552.

It is an arithmetic number, because the mean of its divisors is an integer number (9103210080).

Almost surely, 2^72748642583 is an apocalyptic number.

72748642583 is a deficient number, since it is larger than the sum of its proper divisors (77038057).

72748642583 is a wasteful number, since it uses less digits than its factorization.

72748642583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17257.

The product of its digits is 18063360, while the sum is 56.

The spelling of 72748642583 in words is "seventy-two billion, seven hundred forty-eight million, six hundred forty-two thousand, five hundred eighty-three".