64700506 has 8 divisors (see below), whose sum is σ = 104516244. Its totient is φ = 29861760.

The previous prime is 64700497. The next prime is 64700527. The reversal of 64700506 is 60500746.

64700506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63282025 + 1418481 = 7955^2 + 1191^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244215 + ... + 1244266.

Almost surely, 2^64700506 is an apocalyptic number.

64700506 is a deficient number, since it is larger than the sum of its proper divisors (39815738).

64700506 is a wasteful number, since it uses less digits than its factorization.

64700506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488496.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64700506 is about 8043.6624742713. The cubic root of 64700506 is about 401.4540951132.

The spelling of 64700506 in words is "sixty-four million, seven hundred thousand, five hundred six".