73501743 has 16 divisors (see below), whose sum is σ = 112446720. Its totient is φ = 41834496.

The previous prime is 73501739. The next prime is 73501751. The reversal of 73501743 is 34710537.

It is not a de Polignac number, because 73501743 - 2² = 73501739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73501743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73501763) 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, 1413 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (7027920).

Almost surely, 2^73501743 is an apocalyptic number.

73501743 is a deficient number, since it is larger than the sum of its proper divisors (38944977).

73501743 is a wasteful number, since it uses less digits than its factorization.

73501743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 73501743 is about 8573.3157529628. The cubic root of 73501743 is about 418.8892475794.

The spelling of 73501743 in words is "seventy-three million, five hundred one thousand, seven hundred forty-three".