68570420 has 24 divisors (see below), whose sum is σ = 145824000. Its totient is φ = 27080352.

The previous prime is 68570417. The next prime is 68570431. The reversal of 68570420 is 2407586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20120 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (6076000).

Almost surely, 2^68570420 is an apocalyptic number.

It is an amenable number.

68570420 is an abundant number, since it is smaller than the sum of its proper divisors (77253580).

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

68570420 is a wasteful number, since it uses less digits than its factorization.

68570420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487 (or 43485 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 68570420 is about 8280.7258135987. The cubic root of 68570420 is about 409.3036364931.

The spelling of 68570420 in words is "sixty-eight million, five hundred seventy thousand, four hundred twenty".