68957949 has 8 divisors (see below), whose sum is σ = 92038752. Its totient is φ = 45924560.

The previous prime is 68957947. The next prime is 68957963. The reversal of 68957949 is 94975986.

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 68957949 - 2¹ = 68957947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68957947) 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, 8307 + ... + 14384.

It is an arithmetic number, because the mean of its divisors is an integer number (11504844).

Almost surely, 2^68957949 is an apocalyptic number.

It is an amenable number.

68957949 is a deficient number, since it is larger than the sum of its proper divisors (23080803).

68957949 is a wasteful number, since it uses less digits than its factorization.

68957949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23707.

The product of its digits is 4898880, while the sum is 57.

The square root of 68957949 is about 8304.0923044003. The cubic root of 68957949 is about 410.0732548069.

The spelling of 68957949 in words is "sixty-eight million, nine hundred fifty-seven thousand, nine hundred forty-nine".