68364730 has 16 divisors (see below), whose sum is σ = 140636160. Its totient is φ = 23439312.

The previous prime is 68364707. The next prime is 68364733. The reversal of 68364730 is 3746386.

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 68364730.

It is not an unprimeable number, because it can be changed into a prime (68364733) 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, 488250 + ... + 488389.

It is an arithmetic number, because the mean of its divisors is an integer number (8789760).

Almost surely, 2^68364730 is an apocalyptic number.

68364730 is an abundant number, since it is smaller than the sum of its proper divisors (72271430).

68364730 is a wasteful number, since it uses less digits than its factorization.

68364730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976653.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 68364730 is about 8268.2966806955. The cubic root of 68364730 is about 408.8939652552.

The spelling of 68364730 in words is "sixty-eight million, three hundred sixty-four thousand, seven hundred thirty".