73665370730 has 32 divisors (see below), whose sum is σ = 151921961856. Its totient is φ = 25193070144.

The previous prime is 73665370729. The next prime is 73665370777. The reversal of 73665370730 is 3707356637.

It is a super-4 number, since 4×73665370730⁴ (a number of 45 digits) contains 4444 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, 1297604 + ... + 1353183.

It is an arithmetic number, because the mean of its divisors is an integer number (4747561308).

Almost surely, 2^73665370730 is an apocalyptic number.

73665370730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73665370730 is an abundant number, since it is smaller than the sum of its proper divisors (78256591126).

73665370730 is a wasteful number, since it uses less digits than its factorization.

73665370730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651198.

The product of its (nonzero) digits is 1666980, while the sum is 47.

The spelling of 73665370730 in words is "seventy-three billion, six hundred sixty-five million, three hundred seventy thousand, seven hundred thirty".