68152449 has 16 divisors (see below), whose sum is σ = 95904000. Its totient is φ = 42930576.

The previous prime is 68152421. The next prime is 68152457. The reversal of 68152449 is 94425186.

It is not a de Polignac number, because 68152449 - 2⁷ = 68152321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68152459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23902 + ... + 26600.

It is an arithmetic number, because the mean of its divisors is an integer number (5994000).

Almost surely, 2^68152449 is an apocalyptic number.

It is an amenable number.

68152449 is a deficient number, since it is larger than the sum of its proper divisors (27751551).

68152449 is a wasteful number, since it uses less digits than its factorization.

68152449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 69120, while the sum is 39.

The square root of 68152449 is about 8255.4496546221. The cubic root of 68152449 is about 408.4703042184.

The spelling of 68152449 in words is "sixty-eight million, one hundred fifty-two thousand, four hundred forty-nine".