68249599 has 8 divisors (see below), whose sum is σ = 74955600. Its totient is φ = 61627200.

The previous prime is 68249527. The next prime is 68249609. The reversal of 68249599 is 99594286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68249599 - 2¹⁵ = 68216831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68249399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19182 + ... + 22459.

It is an arithmetic number, because the mean of its divisors is an integer number (9369450).

Almost surely, 2^68249599 is an apocalyptic number.

68249599 is a deficient number, since it is larger than the sum of its proper divisors (6706001).

68249599 is a wasteful number, since it uses less digits than its factorization.

68249599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41801.

The product of its digits is 1399680, while the sum is 52.

The square root of 68249599 is about 8261.3315512694. The cubic root of 68249599 is about 408.6643009117.

The spelling of 68249599 in words is "sixty-eight million, two hundred forty-nine thousand, five hundred ninety-nine".