72514415 has 4 divisors (see below), whose sum is σ = 87017304. Its totient is φ = 58011528.

The previous prime is 72514399. The next prime is 72514417. The reversal of 72514415 is 51441527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72514415 - 2⁴ = 72514399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514417) 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, 7251437 + ... + 7251446.

It is an arithmetic number, because the mean of its divisors is an integer number (21754326).

Almost surely, 2^72514415 is an apocalyptic number.

72514415 is a deficient number, since it is larger than the sum of its proper divisors (14502889).

72514415 is a wasteful number, since it uses less digits than its factorization.

72514415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502888.

The product of its digits is 5600, while the sum is 29.

The square root of 72514415 is about 8515.5396188380. The cubic root of 72514415 is about 417.0051794851.

The spelling of 72514415 in words is "seventy-two million, five hundred fourteen thousand, four hundred fifteen".