68379770 has 8 divisors (see below), whose sum is σ = 123083604. Its totient is φ = 27351904.

The previous prime is 68379749. The next prime is 68379781. The reversal of 68379770 is 7797386.

It can be written as a sum of positive squares in 2 ways, for example, as 68343289 + 36481 = 8267^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418979 + ... + 3418998.

Almost surely, 2^68379770 is an apocalyptic number.

68379770 is a deficient number, since it is larger than the sum of its proper divisors (54703834).

68379770 is a wasteful number, since it uses less digits than its factorization.

68379770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837984.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 68379770 is about 8269.2061287647. The cubic root of 68379770 is about 408.9239481344.

The spelling of 68379770 in words is "sixty-eight million, three hundred seventy-nine thousand, seven hundred seventy".