64726946 has 16 divisors (see below), whose sum is σ = 102670848. Its totient is φ = 30554400.

The previous prime is 64726931. The next prime is 64726957. The reversal of 64726946 is 64962746.

It is a junction number, because it is equal to n+sod(n) for n = 64726897 and 64726906.

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, 10190 + ... + 15273.

It is an arithmetic number, because the mean of its divisors is an integer number (6416928).

Almost surely, 2^64726946 is an apocalyptic number.

64726946 is a deficient number, since it is larger than the sum of its proper divisors (37943902).

64726946 is a wasteful number, since it uses less digits than its factorization.

64726946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25537.

The product of its digits is 435456, while the sum is 44.

The square root of 64726946 is about 8045.3058363247. The cubic root of 64726946 is about 401.5087726904.

The spelling of 64726946 in words is "sixty-four million, seven hundred twenty-six thousand, nine hundred forty-six".