73442713 has 4 divisors (see below), whose sum is σ = 73526400. Its totient is φ = 73359028.

The previous prime is 73442701. The next prime is 73442731. The reversal of 73442713 is 31724437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31724437 = 719 ⋅44123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73442713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73442773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40513 + ... + 42286.

It is an arithmetic number, because the mean of its divisors is an integer number (18381600).

Almost surely, 2^73442713 is an apocalyptic number.

It is an amenable number.

73442713 is a deficient number, since it is larger than the sum of its proper divisors (83687).

73442713 is an equidigital number, since it uses as much as digits as its factorization.

73442713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83686.

The product of its digits is 14112, while the sum is 31.

The square root of 73442713 is about 8569.8724027841. The cubic root of 73442713 is about 418.7770794696. Note that the first 3 decimals are identical.

The spelling of 73442713 in words is "seventy-three million, four hundred forty-two thousand, seven hundred thirteen".