73890722969 has 16 divisors (see below), whose sum is σ = 85450083840. Its totient is φ = 62585369280.

The previous prime is 73890722951. The next prime is 73890722977. The reversal of 73890722969 is 96922709837.

It is a de Polignac number, because none of the positive numbers 2^k-73890722969 is a prime.

It is a super-2 number, since 2×73890722969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73890722909) 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, 154784 + ... + 414414.

It is an arithmetic number, because the mean of its divisors is an integer number (5340630240).

Almost surely, 2^73890722969 is an apocalyptic number.

It is an amenable number.

73890722969 is a deficient number, since it is larger than the sum of its proper divisors (11559360871).

73890722969 is a wasteful number, since it uses less digits than its factorization.

73890722969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260120.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 73890722969 in words is "seventy-three billion, eight hundred ninety million, seven hundred twenty-two thousand, nine hundred sixty-nine".