64683742 has 8 divisors (see below), whose sum is σ = 102733056. Its totient is φ = 30439392.

The previous prime is 64683727. The next prime is 64683781. The reversal of 64683742 is 24738646.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 64683695 and 64683704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951198 + ... + 951265.

It is an arithmetic number, because the mean of its divisors is an integer number (12841632).

Almost surely, 2^64683742 is an apocalyptic number.

64683742 is a deficient number, since it is larger than the sum of its proper divisors (38049314).

64683742 is a wasteful number, since it uses less digits than its factorization.

64683742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902482.

The product of its digits is 193536, while the sum is 40.

The square root of 64683742 is about 8042.6203441416. The cubic root of 64683742 is about 401.4194196617.

The spelling of 64683742 in words is "sixty-four million, six hundred eighty-three thousand, seven hundred forty-two".