68300784 has 30 divisors (see below), whose sum is σ = 191147736. Its totient is φ = 22766880.

The previous prime is 68300767. The next prime is 68300789. The reversal of 68300784 is 48700386.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68300789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237012 + ... + 237299.

Almost surely, 2^68300784 is an apocalyptic number.

It is an amenable number.

68300784 is an abundant number, since it is smaller than the sum of its proper divisors (122846952).

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

68300784 is a wasteful number, since it uses less digits than its factorization.

68300784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474325 (or 474316 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 68300784 is about 8264.4288368889. The cubic root of 68300784 is about 408.7664370687.

The spelling of 68300784 in words is "sixty-eight million, three hundred thousand, seven hundred eighty-four".