68708464 has 20 divisors (see below), whose sum is σ = 145225080. Its totient is φ = 31231040.

The previous prime is 68708461. The next prime is 68708483. The reversal of 68708464 is 46480786.

It is a self number, because there is not a number n which added to its sum of digits gives 68708464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68708461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195019 + ... + 195370.

It is an arithmetic number, because the mean of its divisors is an integer number (7261254).

Almost surely, 2^68708464 is an apocalyptic number.

It is an amenable number.

68708464 is an abundant number, since it is smaller than the sum of its proper divisors (76516616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68708464 is a wasteful number, since it uses less digits than its factorization.

68708464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390408 (or 390402 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 68708464 is about 8289.0568824203. The cubic root of 68708464 is about 409.5781184905.

The spelling of 68708464 in words is "sixty-eight million, seven hundred eight thousand, four hundred sixty-four".