72474015 has 8 divisors (see below), whose sum is σ = 115958448. Its totient is φ = 38652800.

The previous prime is 72474013. The next prime is 72474079. The reversal of 72474015 is 51047427.

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

It is not a de Polignac number, because 72474015 - 2¹ = 72474013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72474013) 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, 2415786 + ... + 2415815.

It is an arithmetic number, because the mean of its divisors is an integer number (14494806).

Almost surely, 2^72474015 is an apocalyptic number.

72474015 is a deficient number, since it is larger than the sum of its proper divisors (43484433).

72474015 is a wasteful number, since it uses less digits than its factorization.

72474015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831609.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 72474015 is about 8513.1671544731. The cubic root of 72474015 is about 416.9277229827.

The spelling of 72474015 in words is "seventy-two million, four hundred seventy-four thousand, fifteen".