72150303 has 4 divisors (see below), whose sum is σ = 96200408. Its totient is φ = 48100200.

The previous prime is 72150269. The next prime is 72150341. The reversal of 72150303 is 30305127.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30305127 = 3 ⋅10101709.

It is not a de Polignac number, because 72150303 - 2⁸ = 72150047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72150303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72150203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12025048 + ... + 12025053.

It is an arithmetic number, because the mean of its divisors is an integer number (24050102).

Almost surely, 2^72150303 is an apocalyptic number.

72150303 is a deficient number, since it is larger than the sum of its proper divisors (24050105).

72150303 is a wasteful number, since it uses less digits than its factorization.

72150303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24050104.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 72150303 is about 8494.1334460909. The cubic root of 72150303 is about 416.3060475170.

The spelling of 72150303 in words is "seventy-two million, one hundred fifty thousand, three hundred three".