73916919688 has 16 divisors (see below), whose sum is σ = 138644173980. Its totient is φ = 36945139968.

The previous prime is 73916919623. The next prime is 73916919721. The reversal of 73916919688 is 88691961937.

It can be written as a sum of positive squares in 2 ways, for example, as 73678587844 + 238331844 = 271438^2 + 15438^2 .

It is a super-2 number, since 2×73916919688² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641381 + ... + 1685812.

Almost surely, 2^73916919688 is an apocalyptic number.

It is an amenable number.

73916919688 is a deficient number, since it is larger than the sum of its proper divisors (64727254292).

73916919688 is a wasteful number, since it uses less digits than its factorization.

73916919688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329976 (or 3329972 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 67.

It can be divided in two parts, 739169 and 19688, that added together give a palindrome (758857).

The spelling of 73916919688 in words is "seventy-three billion, nine hundred sixteen million, nine hundred nineteen thousand, six hundred eighty-eight".