64904546 has 8 divisors (see below), whose sum is σ = 111264960. Its totient is φ = 27816228.

The previous prime is 64904533. The next prime is 64904557. The reversal of 64904546 is 64540946.

It is a happy number.

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

It is a super-2 number, since 2×64904546² = 8425200182932232, which contains 22 as substring.

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, 2318006 + ... + 2318033.

It is an arithmetic number, because the mean of its divisors is an integer number (13908120).

Almost surely, 2^64904546 is an apocalyptic number.

64904546 is a deficient number, since it is larger than the sum of its proper divisors (46360414).

64904546 is a wasteful number, since it uses less digits than its factorization.

64904546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636048.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 64904546 is about 8056.3357675807. The cubic root of 64904546 is about 401.8756618177.

The spelling of 64904546 in words is "sixty-four million, nine hundred four thousand, five hundred forty-six".