72495495 has 24 divisors (see below), whose sum is σ = 126084816. Its totient is φ = 38533248.

The previous prime is 72495491. The next prime is 72495523. The reversal of 72495495 is 59459427.

72495495 is a `hidden beast` number, since 72 + 4 + 95 + 495 = 666.

It is not a de Polignac number, because 72495495 - 2² = 72495491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72495495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72495491) 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 23 ways as a sum of consecutive naturals, for example, 11512 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (5253534).

Almost surely, 2^72495495 is an apocalyptic number.

72495495 is a deficient number, since it is larger than the sum of its proper divisors (53589321).

72495495 is a wasteful number, since it uses less digits than its factorization.

72495495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5468 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 72495495 is about 8514.4286361446. The cubic root of 72495495 is about 416.9689088839.

The spelling of 72495495 in words is "seventy-two million, four hundred ninety-five thousand, four hundred ninety-five".