72246615 has 16 divisors (see below), whose sum is σ = 132108288. Its totient is φ = 33026976.

The previous prime is 72246599. The next prime is 72246619. The reversal of 72246615 is 51664227.

It is not a de Polignac number, because 72246615 - 2⁴ = 72246599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72246619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343927 + ... + 344136.

It is an arithmetic number, because the mean of its divisors is an integer number (8256768).

Almost surely, 2^72246615 is an apocalyptic number.

72246615 is a deficient number, since it is larger than the sum of its proper divisors (59861673).

72246615 is a wasteful number, since it uses less digits than its factorization.

72246615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688078.

The product of its digits is 20160, while the sum is 33.

The square root of 72246615 is about 8499.8008800207. The cubic root of 72246615 is about 416.4912046996.

The spelling of 72246615 in words is "seventy-two million, two hundred forty-six thousand, six hundred fifteen".