73451713 has 4 divisors (see below), whose sum is σ = 77772420. Its totient is φ = 69131008.

The previous prime is 73451711. The next prime is 73451717. The reversal of 73451713 is 31715437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31715437 = 13 ⋅2439649.

It can be written as a sum of positive squares in 2 ways, for example, as 40870449 + 32581264 = 6393^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 73451713 - 2¹ = 73451711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73451711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160328 + ... + 2160361.

It is an arithmetic number, because the mean of its divisors is an integer number (19443105).

Almost surely, 2^73451713 is an apocalyptic number.

It is an amenable number.

73451713 is a deficient number, since it is larger than the sum of its proper divisors (4320707).

73451713 is a wasteful number, since it uses less digits than its factorization.

73451713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320706.

The product of its digits is 8820, while the sum is 31.

The square root of 73451713 is about 8570.3974820308. The cubic root of 73451713 is about 418.7941850458.

The spelling of 73451713 in words is "seventy-three million, four hundred fifty-one thousand, seven hundred thirteen".