72075713 has 4 divisors (see below), whose sum is σ = 74400768. Its totient is φ = 69750660.

The previous prime is 72075691. The next prime is 72075727. The reversal of 72075713 is 31757027.

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: 31757027 = 61 ⋅520607.

It is a cyclic number.

It is not a de Polignac number, because 72075713 - 2¹⁴ = 72059329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72075713.

It is not an unprimeable number, because it can be changed into a prime (72075013) 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, 1162481 + ... + 1162542.

It is an arithmetic number, because the mean of its divisors is an integer number (18600192).

Almost surely, 2^72075713 is an apocalyptic number.

It is an amenable number.

72075713 is a deficient number, since it is larger than the sum of its proper divisors (2325055).

72075713 is a wasteful number, since it uses less digits than its factorization.

72075713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325054.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 72075713 is about 8489.7416332890. The cubic root of 72075713 is about 416.1625370317.

The spelling of 72075713 in words is "seventy-two million, seventy-five thousand, seven hundred thirteen".