72402243 has 8 divisors (see below), whose sum is σ = 96958800. Its totient is φ = 48056928.

The previous prime is 72402233. The next prime is 72402247. The reversal of 72402243 is 34220427.

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

It is not a de Polignac number, because 72402243 - 2⁴ = 72402227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72402247) 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, 52008 + ... + 53381.

It is an arithmetic number, because the mean of its divisors is an integer number (12119850).

Almost surely, 2^72402243 is an apocalyptic number.

72402243 is a deficient number, since it is larger than the sum of its proper divisors (24556557).

72402243 is a wasteful number, since it uses less digits than its factorization.

72402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105621.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 72402243 is about 8508.9507578784. The cubic root of 72402243 is about 416.7900477992.

The spelling of 72402243 in words is "seventy-two million, four hundred two thousand, two hundred forty-three".