64346442 has 16 divisors (see below), whose sum is σ = 129055680. Its totient is φ = 21388352.

The previous prime is 64346437. The next prime is 64346449. The reversal of 64346442 is 24464346.

It is not an unprimeable number, because it can be changed into a prime (64346449) 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, 12783 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (8065980).

Almost surely, 2^64346442 is an apocalyptic number.

64346442 is an abundant number, since it is smaller than the sum of its proper divisors (64709238).

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

64346442 is a wasteful number, since it uses less digits than its factorization.

64346442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30237.

The product of its digits is 55296, while the sum is 33.

The square root of 64346442 is about 8021.6234017810. The cubic root of 64346442 is about 400.7204557464.

The spelling of 64346442 in words is "sixty-four million, three hundred forty-six thousand, four hundred forty-two".