72949003 has 2 divisors, whose sum is σ = 72949004. Its totient is φ = 72949002.

The previous prime is 72949001. The next prime is 72949039. The reversal of 72949003 is 30094927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72949003 - 2¹ = 72949001 is a prime.

Together with 72949001, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72949003.

It is not a weakly prime, because it can be changed into another prime (72949001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36474501 + 36474502.

It is an arithmetic number, because the mean of its divisors is an integer number (36474502).

Almost surely, 2^72949003 is an apocalyptic number.

72949003 is a deficient number, since it is larger than the sum of its proper divisors (1).

72949003 is an equidigital number, since it uses as much as digits as its factorization.

72949003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 72949003 is about 8541.0188502309. The cubic root of 72949003 is about 417.8365756147.

The spelling of 72949003 in words is "seventy-two million, nine hundred forty-nine thousand, three".