73764909394 has 24 divisors (see below), whose sum is σ = 121522565808. Its totient is φ = 33304253520.

The previous prime is 73764909391. The next prime is 73764909409. The reversal of 73764909394 is 49390946737.

It is not an unprimeable number, because it can be changed into a prime (73764909391) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 412909 + ... + 563935.

It is an arithmetic number, because the mean of its divisors is an integer number (5063440242).

Almost surely, 2^73764909394 is an apocalyptic number.

73764909394 is a deficient number, since it is larger than the sum of its proper divisors (47757656414).

73764909394 is a wasteful number, since it uses less digits than its factorization.

73764909394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151338 (or 151189 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 61.

It can be divided in two parts, 73 and 764909394, that added together give a palindrome (764909467).

The spelling of 73764909394 in words is "seventy-three billion, seven hundred sixty-four million, nine hundred nine thousand, three hundred ninety-four".