68495784 has 32 divisors (see below), whose sum is σ = 195702720. Its totient is φ = 19570176.

The previous prime is 68495783. The next prime is 68495797. The reversal of 68495784 is 48759486.

It is not an unprimeable number, because it can be changed into a prime (68495783) 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, 203689 + ... + 204024.

It is an arithmetic number, because the mean of its divisors is an integer number (6115710).

Almost surely, 2^68495784 is an apocalyptic number.

It is an amenable number.

68495784 is an abundant number, since it is smaller than the sum of its proper divisors (127206936).

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

68495784 is a wasteful number, since it uses less digits than its factorization.

68495784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407729 (or 407725 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 68495784 is about 8276.2179768298. The cubic root of 68495784 is about 409.1550793523.

The spelling of 68495784 in words is "sixty-eight million, four hundred ninety-five thousand, seven hundred eighty-four".