64745946 has 16 divisors (see below), whose sum is σ = 143880000. Its totient is φ = 21581964.

The previous prime is 64745921. The next prime is 64745953. The reversal of 64745946 is 64954746.

It is a Curzon number.

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599446 + ... + 599553.

It is an arithmetic number, because the mean of its divisors is an integer number (8992500).

Almost surely, 2^64745946 is an apocalyptic number.

64745946 is an abundant number, since it is smaller than the sum of its proper divisors (79134054).

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

64745946 is a wasteful number, since it uses less digits than its factorization.

64745946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199010 (or 1199004 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 64745946 is about 8046.4865624694. The cubic root of 64745946 is about 401.5480552501.

The spelling of 64745946 in words is "sixty-four million, seven hundred forty-five thousand, nine hundred forty-six".