72534595 has 16 divisors (see below), whose sum is σ = 100393920. Its totient is φ = 49279104.

The previous prime is 72534589. The next prime is 72534599. The reversal of 72534595 is 59543527.

It is a de Polignac number, because none of the positive numbers 2^k-72534595 is a prime.

It is a super-2 number, since 2×72534595² = 10522534943628050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72534599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5692 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (6274620).

Almost surely, 2^72534595 is an apocalyptic number.

72534595 is a deficient number, since it is larger than the sum of its proper divisors (27859325).

72534595 is a wasteful number, since it uses less digits than its factorization.

72534595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19134.

The product of its digits is 189000, while the sum is 40.

The square root of 72534595 is about 8516.7244290279. The cubic root of 72534595 is about 417.0438586177.

The spelling of 72534595 in words is "seventy-two million, five hundred thirty-four thousand, five hundred ninety-five".