68570479 has 4 divisors (see below), whose sum is σ = 68613376. Its totient is φ = 68527584.

The previous prime is 68570477. The next prime is 68570501. The reversal of 68570479 is 97407586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68570479 - 2¹ = 68570477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68570477) 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, 18954 + ... + 22279.

It is an arithmetic number, because the mean of its divisors is an integer number (17153344).

Almost surely, 2^68570479 is an apocalyptic number.

68570479 is a deficient number, since it is larger than the sum of its proper divisors (42897).

68570479 is a wasteful number, since it uses less digits than its factorization.

68570479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42896.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 68570479 is about 8280.7293760876. The cubic root of 68570479 is about 409.3037538853.

The spelling of 68570479 in words is "sixty-eight million, five hundred seventy thousand, four hundred seventy-nine".