68214770 has 32 divisors (see below), whose sum is σ = 135317952. Its totient is φ = 24599232.

The previous prime is 68214767. The next prime is 68214781. The reversal of 68214770 is 7741286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68214770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (4228686).

Almost surely, 2^68214770 is an apocalyptic number.

68214770 is a deficient number, since it is larger than the sum of its proper divisors (67103182).

68214770 is a wasteful number, since it uses less digits than its factorization.

68214770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 68214770 is about 8259.2233291030. The cubic root of 68214770 is about 408.5947728314.

The spelling of 68214770 in words is "sixty-eight million, two hundred fourteen thousand, seven hundred seventy".