73220664741 has 16 divisors (see below), whose sum is σ = 111654144000. Its totient is φ = 41810455728.

The previous prime is 73220664719. The next prime is 73220664757. The reversal of 73220664741 is 14746602237.

It is not a de Polignac number, because 73220664741 - 2⁶ = 73220664677 is a prime.

It is a super-2 number, since 2×73220664741² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73220664693 and 73220664702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73220664791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216761 + ... + 1275518.

It is an arithmetic number, because the mean of its divisors is an integer number (6978384000).

Almost surely, 2^73220664741 is an apocalyptic number.

It is an amenable number.

73220664741 is a deficient number, since it is larger than the sum of its proper divisors (38433479259).

73220664741 is a wasteful number, since it uses less digits than its factorization.

73220664741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493688.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 73220664741 in words is "seventy-three billion, two hundred twenty million, six hundred sixty-four thousand, seven hundred forty-one".