72295542 has 24 divisors (see below), whose sum is σ = 170880840. Its totient is φ = 21907680.

The previous prime is 72295519. The next prime is 72295571. The reversal of 72295542 is 24559227.

It is a happy number.

72295542 is a `hidden beast` number, since 7 + 22 + 95 + 542 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72295497 and 72295506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182367 + ... + 182762.

It is an arithmetic number, because the mean of its divisors is an integer number (7120035).

Almost surely, 2^72295542 is an apocalyptic number.

72295542 is an abundant number, since it is smaller than the sum of its proper divisors (98585298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72295542 is a wasteful number, since it uses less digits than its factorization.

72295542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365148 (or 365145 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 72295542 is about 8502.6785191491. The cubic root of 72295542 is about 416.5852024914.

The spelling of 72295542 in words is "seventy-two million, two hundred ninety-five thousand, five hundred forty-two".