72075159 has 12 divisors (see below), whose sum is σ = 112117096. Its totient is φ = 44353872.

The previous prime is 72075139. The next prime is 72075173. The reversal of 72075159 is 95157027.

It is not a de Polignac number, because 72075159 - 2⁵ = 72075127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72075109) 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, 307897 + ... + 308130.

Almost surely, 2^72075159 is an apocalyptic number.

72075159 is a deficient number, since it is larger than the sum of its proper divisors (40041937).

72075159 is a wasteful number, since it uses less digits than its factorization.

72075159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616046 (or 616043 counting only the distinct ones).

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

The square root of 72075159 is about 8489.7090056138. The cubic root of 72075159 is about 416.1614707704.

The spelling of 72075159 in words is "seventy-two million, seventy-five thousand, one hundred fifty-nine".