64830782 has 4 divisors (see below), whose sum is σ = 97246176. Its totient is φ = 32415390.

The previous prime is 64830691. The next prime is 64830791. The reversal of 64830782 is 28703846.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16207694 + ... + 16207697.

It is an arithmetic number, because the mean of its divisors is an integer number (24311544).

Almost surely, 2^64830782 is an apocalyptic number.

64830782 is a deficient number, since it is larger than the sum of its proper divisors (32415394).

64830782 is a wasteful number, since it uses less digits than its factorization.

64830782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32415393.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 64830782 is about 8051.7564543396. The cubic root of 64830782 is about 401.7233602438.

The spelling of 64830782 in words is "sixty-four million, eight hundred thirty thousand, seven hundred eighty-two".