72323107 has 2 divisors, whose sum is σ = 72323108. Its totient is φ = 72323106.

The previous prime is 72323099. The next prime is 72323113. The reversal of 72323107 is 70132327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72323107 - 2³ = 72323099 is a prime.

It is a super-2 number, since 2×72323107² = 10461263612266898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72320107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36161553 + 36161554.

It is an arithmetic number, because the mean of its divisors is an integer number (36161554).

Almost surely, 2^72323107 is an apocalyptic number.

72323107 is a deficient number, since it is larger than the sum of its proper divisors (1).

72323107 is an equidigital number, since it uses as much as digits as its factorization.

72323107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 72323107 is about 8504.2993244594. The cubic root of 72323107 is about 416.6381412649.

The spelling of 72323107 in words is "seventy-two million, three hundred twenty-three thousand, one hundred seven".