68070478 has 32 divisors (see below), whose sum is σ = 122549760. Its totient is φ = 27725280.

The previous prime is 68070463. The next prime is 68070503. The reversal of 68070478 is 87407086.

It is a self number, because there is not a number n which added to its sum of digits gives 68070478.

It is a congruent number.

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, 57048 + ... + 58228.

It is an arithmetic number, because the mean of its divisors is an integer number (3829680).

Almost surely, 2^68070478 is an apocalyptic number.

68070478 is a deficient number, since it is larger than the sum of its proper divisors (54479282).

68070478 is a wasteful number, since it uses less digits than its factorization.

68070478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 68070478 is about 8250.4835009834. The cubic root of 68070478 is about 408.3064746830.

The spelling of 68070478 in words is "sixty-eight million, seventy thousand, four hundred seventy-eight".