72325822 has 4 divisors (see below), whose sum is σ = 108488736. Its totient is φ = 36162910.

The previous prime is 72325811. The next prime is 72325853. The reversal of 72325822 is 22852327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22852327 = 97 ⋅235591.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18081454 + ... + 18081457.

It is an arithmetic number, because the mean of its divisors is an integer number (27122184).

Almost surely, 2^72325822 is an apocalyptic number.

72325822 is a deficient number, since it is larger than the sum of its proper divisors (36162914).

72325822 is a wasteful number, since it uses less digits than its factorization.

72325822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36162913.

The product of its digits is 13440, while the sum is 31.

The square root of 72325822 is about 8504.4589481048. The cubic root of 72325822 is about 416.6433547135.

The spelling of 72325822 in words is "seventy-two million, three hundred twenty-five thousand, eight hundred twenty-two".