72333403 has 2 divisors, whose sum is σ = 72333404. Its totient is φ = 72333402.

The previous prime is 72333341. The next prime is 72333407. The reversal of 72333403 is 30433327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72333403 - 2¹⁷ = 72202331 is a prime.

It is not a weakly prime, because it can be changed into another prime (72333407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36166701 + 36166702.

It is an arithmetic number, because the mean of its divisors is an integer number (36166702).

Almost surely, 2^72333403 is an apocalyptic number.

72333403 is a deficient number, since it is larger than the sum of its proper divisors (1).

72333403 is an equidigital number, since it uses as much as digits as its factorization.

72333403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 25.

The square root of 72333403 is about 8504.9046437923. The cubic root of 72333403 is about 416.6579113538.

The spelling of 72333403 in words is "seventy-two million, three hundred thirty-three thousand, four hundred three".