73889730281738 has 32 divisors (see below), whose sum is σ = 128241257833728. Its totient is φ = 31275303840000.

The previous prime is 73889730281729. The next prime is 73889730281753. The reversal of 73889730281738 is 83718203798837.

It is a super-2 number, since 2×73889730281738² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64589870 + ... + 65723897.

It is an arithmetic number, because the mean of its divisors is an integer number (4007539307304).

Almost surely, 2^{73889730281738} is an apocalyptic number.

73889730281738 is a deficient number, since it is larger than the sum of its proper divisors (54351527551990).

73889730281738 is a wasteful number, since it uses less digits than its factorization.

73889730281738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130314278.

The product of its (nonzero) digits is 682795008, while the sum is 74.

The spelling of 73889730281738 in words is "seventy-three trillion, eight hundred eighty-nine billion, seven hundred thirty million, two hundred eighty-one thousand, seven hundred thirty-eight".