73711745 has 16 divisors (see below), whose sum is σ = 95655168. Its totient is φ = 54316800.

The previous prime is 73711741. The next prime is 73711751. The reversal of 73711745 is 54711737.

It is not a de Polignac number, because 73711745 - 2² = 73711741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73711741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5231 + ... + 13220.

It is an arithmetic number, because the mean of its divisors is an integer number (5978448).

Almost surely, 2^73711745 is an apocalyptic number.

It is an amenable number.

73711745 is a deficient number, since it is larger than the sum of its proper divisors (21943423).

73711745 is a wasteful number, since it uses less digits than its factorization.

73711745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520.

The product of its digits is 20580, while the sum is 35.

The square root of 73711745 is about 8585.5544375422. The cubic root of 73711745 is about 419.2878047267.

The spelling of 73711745 in words is "seventy-three million, seven hundred eleven thousand, seven hundred forty-five".