72457795 has 8 divisors (see below), whose sum is σ = 88971696. Its totient is φ = 56618016.

The previous prime is 72457789. The next prime is 72457799. The reversal of 72457795 is 59775427.

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

It is a cyclic number.

It is not a de Polignac number, because 72457795 - 2¹⁹ = 71933507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72457799) 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, 168292 + ... + 168721.

It is an arithmetic number, because the mean of its divisors is an integer number (11121462).

Almost surely, 2^72457795 is an apocalyptic number.

72457795 is a deficient number, since it is larger than the sum of its proper divisors (16513901).

72457795 is a wasteful number, since it uses less digits than its factorization.

72457795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337061.

The product of its digits is 617400, while the sum is 46.

The square root of 72457795 is about 8512.2144592344. The cubic root of 72457795 is about 416.8966172490.

The spelling of 72457795 in words is "seventy-two million, four hundred fifty-seven thousand, seven hundred ninety-five".