73705740745 has 32 divisors (see below), whose sum is σ = 109053520128. Its totient is φ = 46569385728.

The previous prime is 73705740733. The next prime is 73705740763. The reversal of 73705740745 is 54704750737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73705740745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108022 + ... + 398848.

It is an arithmetic number, because the mean of its divisors is an integer number (3407922504).

Almost surely, 2^73705740745 is an apocalyptic number.

It is an amenable number.

73705740745 is a deficient number, since it is larger than the sum of its proper divisors (35347779383).

73705740745 is a wasteful number, since it uses less digits than its factorization.

73705740745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291409.

The product of its (nonzero) digits is 2881200, while the sum is 49.

The spelling of 73705740745 in words is "seventy-three billion, seven hundred five million, seven hundred forty thousand, seven hundred forty-five".