73556713 has 4 divisors (see below), whose sum is σ = 73769040. Its totient is φ = 73344388.

The previous prime is 73556711. The next prime is 73556723. The reversal of 73556713 is 31765537.

It is a happy number.

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: 31765537 = 17 ⋅1868561.

It is a cyclic number.

It is not a de Polignac number, because 73556713 - 2¹ = 73556711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73556711) 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, 105643 + ... + 106336.

It is an arithmetic number, because the mean of its divisors is an integer number (18442260).

Almost surely, 2^73556713 is an apocalyptic number.

It is an amenable number.

73556713 is a deficient number, since it is larger than the sum of its proper divisors (212327).

73556713 is a wasteful number, since it uses less digits than its factorization.

73556713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212326.

The product of its digits is 66150, while the sum is 37.

The square root of 73556713 is about 8576.5210312807. The cubic root of 73556713 is about 418.9936469361.

The spelling of 73556713 in words is "seventy-three million, five hundred fifty-six thousand, seven hundred thirteen".