72223375 has 32 divisors (see below), whose sum is σ = 104832000. Its totient is φ = 48650400.

The previous prime is 72223367. The next prime is 72223379. The reversal of 72223375 is 57332227.

It is not a de Polignac number, because 72223375 - 2³ = 72223367 is a prime.

Its product of digits (17640) is a multiple of the sum of its prime divisors (1470).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72223379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50926 + ... + 52324.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^72223375 is an apocalyptic number.

72223375 is a deficient number, since it is larger than the sum of its proper divisors (32608625).

72223375 is a wasteful number, since it uses less digits than its factorization.

72223375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1470 counting only the distinct ones).

The product of its digits is 17640, while the sum is 31.

The square root of 72223375 is about 8498.4336792141. The cubic root of 72223375 is about 416.4465415060.

The spelling of 72223375 in words is "seventy-two million, two hundred twenty-three thousand, three hundred seventy-five".