72150895 has 4 divisors (see below), whose sum is σ = 86581080. Its totient is φ = 57720712.

The previous prime is 72150889. The next prime is 72150899. The reversal of 72150895 is 59805127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59805127 = 419 ⋅142733.

It is a cyclic number.

It is not a de Polignac number, because 72150895 - 2³ = 72150887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215085 + ... + 7215094.

It is an arithmetic number, because the mean of its divisors is an integer number (21645270).

Almost surely, 2^72150895 is an apocalyptic number.

72150895 is a deficient number, since it is larger than the sum of its proper divisors (14430185).

72150895 is a wasteful number, since it uses less digits than its factorization.

72150895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430184.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 72150895 is about 8494.1682936000. The cubic root of 72150895 is about 416.3071861239.

The spelling of 72150895 in words is "seventy-two million, one hundred fifty thousand, eight hundred ninety-five".