72227375 has 16 divisors (see below), whose sum is σ = 98336160. Its totient is φ = 52528000.

The previous prime is 72227369. The next prime is 72227381. The reversal of 72227375 is 57372227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72227369) and next prime (72227381).

It is not a de Polignac number, because 72227375 - 2⁸ = 72227119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24890 + ... + 27639.

It is an arithmetic number, because the mean of its divisors is an integer number (6146010).

Almost surely, 2^72227375 is an apocalyptic number.

72227375 is a deficient number, since it is larger than the sum of its proper divisors (26108785).

72227375 is a wasteful number, since it uses less digits than its factorization.

72227375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52555 (or 52545 counting only the distinct ones).

The product of its digits is 41160, while the sum is 35.

The square root of 72227375 is about 8498.6690134397. The cubic root of 72227375 is about 416.4542294853.

The spelling of 72227375 in words is "seventy-two million, two hundred twenty-seven thousand, three hundred seventy-five".