68117049 has 48 divisors (see below), whose sum is σ = 132123264. Its totient is φ = 32659200.

The previous prime is 68117047. The next prime is 68117051. The reversal of 68117049 is 94071186.

It is an interprime number because it is at equal distance from previous prime (68117047) and next prime (68117051).

It is not a de Polignac number, because 68117049 - 2¹ = 68117047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68117041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5229 + ... + 12789.

It is an arithmetic number, because the mean of its divisors is an integer number (2752568).

Almost surely, 2^68117049 is an apocalyptic number.

It is an amenable number.

68117049 is a deficient number, since it is larger than the sum of its proper divisors (64006215).

68117049 is a wasteful number, since it uses less digits than its factorization.

68117049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598 (or 7595 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 68117049 is about 8253.3053378631. The cubic root of 68117049 is about 408.3995689120.

The spelling of 68117049 in words is "sixty-eight million, one hundred seventeen thousand, forty-nine".