72499463 has 2 divisors, whose sum is σ = 72499464. Its totient is φ = 72499462.

The previous prime is 72499457. The next prime is 72499477. The reversal of 72499463 is 36499427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72499463 - 2⁴ = 72499447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72499403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36249731 + 36249732.

It is an arithmetic number, because the mean of its divisors is an integer number (36249732).

Almost surely, 2^72499463 is an apocalyptic number.

72499463 is a deficient number, since it is larger than the sum of its proper divisors (1).

72499463 is an equidigital number, since it uses as much as digits as its factorization.

72499463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 72499463 is about 8514.6616491790. The cubic root of 72499463 is about 416.9765162644.

The spelling of 72499463 in words is "seventy-two million, four hundred ninety-nine thousand, four hundred sixty-three".