68237949 has 32 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 37435392.

The previous prime is 68237933. The next prime is 68237951. The reversal of 68237949 is 94973286.

It is not a de Polignac number, because 68237949 - 2⁴ = 68237933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68237898 and 68237907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68237929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9889 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (3413340).

Almost surely, 2^68237949 is an apocalyptic number.

It is an amenable number.

68237949 is a deficient number, since it is larger than the sum of its proper divisors (40988931).

68237949 is a wasteful number, since it uses less digits than its factorization.

68237949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469.

The product of its digits is 653184, while the sum is 48.

The square root of 68237949 is about 8260.6264290307. The cubic root of 68237949 is about 408.6410470021.

The spelling of 68237949 in words is "sixty-eight million, two hundred thirty-seven thousand, nine hundred forty-nine".