64231782 has 16 divisors (see below), whose sum is σ = 128837952. Its totient is φ = 21348200.

The previous prime is 64231777. The next prime is 64231787. The reversal of 64231782 is 28713246.

64231782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64231777) and next prime (64231787).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64231787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13344 + ... + 17507.

It is an arithmetic number, because the mean of its divisors is an integer number (8052372).

Almost surely, 2^64231782 is an apocalyptic number.

64231782 is an abundant number, since it is smaller than the sum of its proper divisors (64606170).

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

64231782 is a wasteful number, since it uses less digits than its factorization.

64231782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31203.

The product of its digits is 16128, while the sum is 33.

The square root of 64231782 is about 8014.4732827554. The cubic root of 64231782 is about 400.4822974060.

The spelling of 64231782 in words is "sixty-four million, two hundred thirty-one thousand, seven hundred eighty-two".