72201375 has 48 divisors (see below), whose sum is σ = 135032352. Its totient is φ = 38491200.

The previous prime is 72201299. The next prime is 72201383. The reversal of 72201375 is 57310227.

It is not a de Polignac number, because 72201375 - 2¹⁰ = 72200351 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29187 + ... + 31563.

It is an arithmetic number, because the mean of its divisors is an integer number (2813174).

Almost surely, 2^72201375 is an apocalyptic number.

72201375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72201375 is a deficient number, since it is larger than the sum of its proper divisors (62830977).

72201375 is an equidigital number, since it uses as much as digits as its factorization.

72201375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 72201375 is about 8497.1392244684. The cubic root of 72201375 is about 416.4042525457.

The spelling of 72201375 in words is "seventy-two million, two hundred one thousand, three hundred seventy-five".