73929622651021 has 8 divisors (see below), whose sum is σ = 78291766244160. Its totient is φ = 69568961531328.

The previous prime is 73929622651009. The next prime is 73929622651091. The reversal of 73929622651021 is 12015622692937.

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

It is not a de Polignac number, because 73929622651021 - 2⁹ = 73929622650509 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 (73929622651091) 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, 370515681 + ... + 370715158.

It is an arithmetic number, because the mean of its divisors is an integer number (9786470780520).

Almost surely, 2^{73929622651021} is an apocalyptic number.

It is an amenable number.

73929622651021 is a deficient number, since it is larger than the sum of its proper divisors (4362143593139).

73929622651021 is a wasteful number, since it uses less digits than its factorization.

73929622651021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741236723.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 73929622651021 in words is "seventy-three trillion, nine hundred twenty-nine billion, six hundred twenty-two million, six hundred fifty-one thousand, twenty-one".