72404107 has 2 divisors, whose sum is σ = 72404108. Its totient is φ = 72404106.

The previous prime is 72404083. The next prime is 72404141. The reversal of 72404107 is 70140427.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72404107 is a prime.

It is not a weakly prime, because it can be changed into another prime (72404177) 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, 36202053 + 36202054.

It is an arithmetic number, because the mean of its divisors is an integer number (36202054).

Almost surely, 2^72404107 is an apocalyptic number.

72404107 is a deficient number, since it is larger than the sum of its proper divisors (1).

72404107 is an equidigital number, since it uses as much as digits as its factorization.

72404107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 72404107 is about 8509.0602888921. The cubic root of 72404107 is about 416.7936245299.

The spelling of 72404107 in words is "seventy-two million, four hundred four thousand, one hundred seven".