72075292 has 12 divisors (see below), whose sum is σ = 126221256. Its totient is φ = 36012080.

The previous prime is 72075277. The next prime is 72075301. The reversal of 72075292 is 29257027.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 867 + ... + 12037.

It is an arithmetic number, because the mean of its divisors is an integer number (10518438).

Almost surely, 2^72075292 is an apocalyptic number.

It is an amenable number.

72075292 is a deficient number, since it is larger than the sum of its proper divisors (54145964).

72075292 is a wasteful number, since it uses less digits than its factorization.

72075292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788 (or 12786 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 72075292 is about 8489.7168386231. The cubic root of 72075292 is about 416.1617267506.

The spelling of 72075292 in words is "seventy-two million, seventy-five thousand, two hundred ninety-two".