72849503 has 2 divisors, whose sum is σ = 72849504. Its totient is φ = 72849502.

The previous prime is 72849499. The next prime is 72849523. The reversal of 72849503 is 30594827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72849503 - 2² = 72849499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72849523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36424751 + 36424752.

It is an arithmetic number, because the mean of its divisors is an integer number (36424752).

Almost surely, 2^72849503 is an apocalyptic number.

72849503 is a deficient number, since it is larger than the sum of its proper divisors (1).

72849503 is an equidigital number, since it uses as much as digits as its factorization.

72849503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 72849503 is about 8535.1920306458. The cubic root of 72849503 is about 417.6465174733.

The spelling of 72849503 in words is "seventy-two million, eight hundred forty-nine thousand, five hundred three".