73715574676221 has 12 divisors (see below), whose sum is σ = 107977743188640. Its totient is φ = 48451551429960.

The previous prime is 73715574676213. The next prime is 73715574676307. The reversal of 73715574676221 is 12267647551737.

73715574676221 is a `hidden beast` number, since 7 + 3 + 7 + 1 + 557 + 4 + 6 + 76 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 73715574676221 - 2³ = 73715574676213 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73715574676621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57680417731 + ... + 57680419008.

It is an arithmetic number, because the mean of its divisors is an integer number (8998145265720).

Almost surely, 2^{73715574676221} is an apocalyptic number.

73715574676221 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

73715574676221 is a deficient number, since it is larger than the sum of its proper divisors (34262168512419).

73715574676221 is a wasteful number, since it uses less digits than its factorization.

73715574676221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115360836816 (or 115360836813 counting only the distinct ones).

The product of its digits is 103723200, while the sum is 63.

The spelling of 73715574676221 in words is "seventy-three trillion, seven hundred fifteen billion, five hundred seventy-four million, six hundred seventy-six thousand, two hundred twenty-one".