68379949 has 8 divisors (see below), whose sum is σ = 75321792. Its totient is φ = 61559040.

The previous prime is 68379947. The next prime is 68379953. The reversal of 68379949 is 94997386.

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 68379949 - 2¹ = 68379947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68379949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68379947) 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, 29044 + ... + 31309.

It is an arithmetic number, because the mean of its divisors is an integer number (9415224).

Almost surely, 2^68379949 is an apocalyptic number.

It is an amenable number.

68379949 is a deficient number, since it is larger than the sum of its proper divisors (6941843).

68379949 is a wasteful number, since it uses less digits than its factorization.

68379949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60467.

The product of its digits is 2939328, while the sum is 55.

The square root of 68379949 is about 8269.2169520457. The cubic root of 68379949 is about 408.9243049520.

The spelling of 68379949 in words is "sixty-eight million, three hundred seventy-nine thousand, nine hundred forty-nine".