72755235 has 24 divisors (see below), whose sum is σ = 144125280. Its totient is φ = 33259392.

The previous prime is 72755203. The next prime is 72755251. The reversal of 72755235 is 53255727.

It is a happy number.

72755235 is a `hidden beast` number, since 72 + 7 + 552 + 35 = 666.

It is not a de Polignac number, because 72755235 - 2⁵ = 72755203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72755235.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115170 + ... + 115799.

It is an arithmetic number, because the mean of its divisors is an integer number (6005220).

Almost surely, 2^72755235 is an apocalyptic number.

72755235 is a deficient number, since it is larger than the sum of its proper divisors (71370045).

72755235 is a wasteful number, since it uses less digits than its factorization.

72755235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230987 (or 230984 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 72755235 is about 8529.6679302303. The cubic root of 72755235 is about 417.4662934290.

The spelling of 72755235 in words is "seventy-two million, seven hundred fifty-five thousand, two hundred thirty-five".