72349499 has 2 divisors, whose sum is σ = 72349500. Its totient is φ = 72349498.

The previous prime is 72349471. The next prime is 72349531. The reversal of 72349499 is 99494327.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72349499 is a prime.

It is not a weakly prime, because it can be changed into another prime (72349439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36174749 + 36174750.

It is an arithmetic number, because the mean of its divisors is an integer number (36174750).

Almost surely, 2^72349499 is an apocalyptic number.

72349499 is a deficient number, since it is larger than the sum of its proper divisors (1).

72349499 is an equidigital number, since it uses as much as digits as its factorization.

72349499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 72349499 is about 8505.8508686668. The cubic root of 72349499 is about 416.6888146805.

The spelling of 72349499 in words is "seventy-two million, three hundred forty-nine thousand, four hundred ninety-nine".