64583742 has 8 divisors (see below), whose sum is σ = 129167496. Its totient is φ = 21527912.

The previous prime is 64583719. The next prime is 64583749. The reversal of 64583742 is 24738546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

64583742 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 64583742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64583749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381973 + ... + 5381984.

It is an arithmetic number, because the mean of its divisors is an integer number (16145937).

Almost surely, 2^64583742 is an apocalyptic number.

64583742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64583742 is a wasteful number, since it uses less digits than its factorization.

64583742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763962.

The product of its digits is 161280, while the sum is 39.

The square root of 64583742 is about 8036.4010601761. The cubic root of 64583742 is about 401.2124503637.

The spelling of 64583742 in words is "sixty-four million, five hundred eighty-three thousand, seven hundred forty-two".