72452315 has 8 divisors (see below), whose sum is σ = 93630768. Its totient is φ = 53503200.

The previous prime is 72452311. The next prime is 72452321. The reversal of 72452315 is 51325427.

It is a happy number.

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

It is not a de Polignac number, because 72452315 - 2² = 72452311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72452311) 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, 557261 + ... + 557390.

It is an arithmetic number, because the mean of its divisors is an integer number (11703846).

Almost surely, 2^72452315 is an apocalyptic number.

72452315 is a deficient number, since it is larger than the sum of its proper divisors (21178453).

72452315 is a wasteful number, since it uses less digits than its factorization.

72452315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114669.

The product of its digits is 8400, while the sum is 29.

The square root of 72452315 is about 8511.8925627618. The cubic root of 72452315 is about 416.8861069878.

The spelling of 72452315 in words is "seventy-two million, four hundred fifty-two thousand, three hundred fifteen".