72501795 has 12 divisors (see below), whose sum is σ = 125669856. Its totient is φ = 38667600.

The previous prime is 72501791. The next prime is 72501797. The reversal of 72501795 is 59710527.

It is not a de Polignac number, because 72501795 - 2² = 72501791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72501791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805531 + ... + 805620.

It is an arithmetic number, because the mean of its divisors is an integer number (10472488).

Almost surely, 2^72501795 is an apocalyptic number.

72501795 is a deficient number, since it is larger than the sum of its proper divisors (53168061).

72501795 is a wasteful number, since it uses less digits than its factorization.

72501795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611162 (or 1611159 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 72501795 is about 8514.7985883402. The cubic root of 72501795 is about 416.9809870047.

It can be divided in two parts, 7250 and 1795, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 72501795 in words is "seventy-two million, five hundred one thousand, seven hundred ninety-five".