72303822 has 24 divisors (see below), whose sum is σ = 165874176. Its totient is φ = 22683456.

The previous prime is 72303821. The next prime is 72303823. The reversal of 72303822 is 22830327.

It is an interprime number because it is at equal distance from previous prime (72303821) and next prime (72303823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72303821) by changing a digit.

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, 117838 + ... + 118449.

It is an arithmetic number, because the mean of its divisors is an integer number (6911424).

Almost surely, 2^72303822 is an apocalyptic number.

72303822 is an abundant number, since it is smaller than the sum of its proper divisors (93570354).

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

72303822 is a wasteful number, since it uses less digits than its factorization.

72303822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236312 (or 236309 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 72303822 is about 8503.1654105986. The cubic root of 72303822 is about 416.6011057025.

The spelling of 72303822 in words is "seventy-two million, three hundred three thousand, eight hundred twenty-two".