64466542 has 8 divisors (see below), whose sum is σ = 110514096. Its totient is φ = 27628512.

The previous prime is 64466531. The next prime is 64466557. The reversal of 64466542 is 24566446.

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

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, 2302363 + ... + 2302390.

It is an arithmetic number, because the mean of its divisors is an integer number (13814262).

Almost surely, 2^64466542 is an apocalyptic number.

64466542 is a deficient number, since it is larger than the sum of its proper divisors (46047554).

64466542 is a wasteful number, since it uses less digits than its factorization.

64466542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604762.

The product of its digits is 138240, while the sum is 37.

The square root of 64466542 is about 8029.1059278104. The cubic root of 64466542 is about 400.9696102408.

The spelling of 64466542 in words is "sixty-four million, four hundred sixty-six thousand, five hundred forty-two".