73964894733 has 48 divisors (see below), whose sum is σ = 112752456960. Its totient is φ = 46663247232.

The previous prime is 73964894723. The next prime is 73964894749. The reversal of 73964894733 is 33749846937.

73964894733 is a `hidden beast` number, since 73 + 96 + 4 + 8 + 9 + 473 + 3 = 666.

It is not a de Polignac number, because 73964894733 - 2²⁰ = 73963846157 is a prime.

It is a super-2 number, since 2×73964894733² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73964894713) 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 47 ways as a sum of consecutive naturals, for example, 3411435 + ... + 3433047.

It is an arithmetic number, because the mean of its divisors is an integer number (2349009520).

Almost surely, 2^73964894733 is an apocalyptic number.

It is an amenable number.

73964894733 is a deficient number, since it is larger than the sum of its proper divisors (38787562227).

73964894733 is a wasteful number, since it uses less digits than its factorization.

73964894733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938 (or 21935 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 63.

The spelling of 73964894733 in words is "seventy-three billion, nine hundred sixty-four million, eight hundred ninety-four thousand, seven hundred thirty-three".