72275135 has 8 divisors (see below), whose sum is σ = 87354960. Its totient is φ = 57403584.

The previous prime is 72275113. The next prime is 72275141. The reversal of 72275135 is 53157227.

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

It is a cyclic number.

It is not a de Polignac number, because 72275135 - 2¹⁴ = 72258751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51302 + ... + 52691.

It is an arithmetic number, because the mean of its divisors is an integer number (10919370).

Almost surely, 2^72275135 is an apocalyptic number.

72275135 is a deficient number, since it is larger than the sum of its proper divisors (15079825).

72275135 is a wasteful number, since it uses less digits than its factorization.

72275135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104137.

The product of its digits is 14700, while the sum is 32.

The square root of 72275135 is about 8501.4784008430. The cubic root of 72275135 is about 416.5460020373.

It can be divided in two parts, 722 and 75135, that added together give a palindrome (75857).

The spelling of 72275135 in words is "seventy-two million, two hundred seventy-five thousand, one hundred thirty-five".