64334742 has 16 divisors (see below), whose sum is σ = 129809520. Its totient is φ = 21254912.

The previous prime is 64334723. The next prime is 64334747. The reversal of 64334742 is 24743346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64334747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46767 + ... + 48122.

It is an arithmetic number, because the mean of its divisors is an integer number (8113095).

Almost surely, 2^64334742 is an apocalyptic number.

64334742 is an abundant number, since it is smaller than the sum of its proper divisors (65474778).

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

64334742 is a wasteful number, since it uses less digits than its factorization.

64334742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95007.

The product of its digits is 48384, while the sum is 33.

The square root of 64334742 is about 8020.8940898132. The cubic root of 64334742 is about 400.6961668431.

It can be divided in two parts, 6433 and 4742, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 64334742 in words is "sixty-four million, three hundred thirty-four thousand, seven hundred forty-two".