72946515 has 8 divisors (see below), whose sum is σ = 116714448. Its totient is φ = 38904800.

The previous prime is 72946493. The next prime is 72946537. The reversal of 72946515 is 51564927.

It is an interprime number because it is at equal distance from previous prime (72946493) and next prime (72946537).

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

It is not a de Polignac number, because 72946515 - 2⁵ = 72946483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431536 + ... + 2431565.

It is an arithmetic number, because the mean of its divisors is an integer number (14589306).

Almost surely, 2^72946515 is an apocalyptic number.

72946515 is a deficient number, since it is larger than the sum of its proper divisors (43767933).

72946515 is a wasteful number, since it uses less digits than its factorization.

72946515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863109.

The product of its digits is 75600, while the sum is 39.

The square root of 72946515 is about 8540.8731989182. The cubic root of 72946515 is about 417.8318253135.

The spelling of 72946515 in words is "seventy-two million, nine hundred forty-six thousand, five hundred fifteen".