72015753 has 8 divisors (see below), whose sum is σ = 96335008. Its totient is φ = 47853504.

The previous prime is 72015739. The next prime is 72015763. The reversal of 72015753 is 35751027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72015753 - 2¹⁶ = 71950217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72015753.

It is not an unprimeable number, because it can be changed into a prime (72015733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38176 + ... + 40017.

It is an arithmetic number, because the mean of its divisors is an integer number (12041876).

Almost surely, 2^72015753 is an apocalyptic number.

It is an amenable number.

72015753 is a deficient number, since it is larger than the sum of its proper divisors (24319255).

72015753 is a wasteful number, since it uses less digits than its factorization.

72015753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78503.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 72015753 is about 8486.2095778975. The cubic root of 72015753 is about 416.0471027317.

The spelling of 72015753 in words is "seventy-two million, fifteen thousand, seven hundred fifty-three".