72374903 has 2 divisors, whose sum is σ = 72374904. Its totient is φ = 72374902.

The previous prime is 72374851. The next prime is 72374917. The reversal of 72374903 is 30947327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72374903 - 2⁸ = 72374647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72374983) 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 as a sum of consecutive naturals, namely, 36187451 + 36187452.

It is an arithmetic number, because the mean of its divisors is an integer number (36187452).

Almost surely, 2^72374903 is an apocalyptic number.

72374903 is a deficient number, since it is larger than the sum of its proper divisors (1).

72374903 is an equidigital number, since it uses as much as digits as its factorization.

72374903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 72374903 is about 8507.3440626320. The cubic root of 72374903 is about 416.7375794684.

The spelling of 72374903 in words is "seventy-two million, three hundred seventy-four thousand, nine hundred three".