64406801 has 4 divisors (see below), whose sum is σ = 64509504. Its totient is φ = 64304100.

The previous prime is 64406753. The next prime is 64406803. The reversal of 64406801 is 10860446.

64406801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64406801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64406803) by changing a digit.

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, 50405 + ... + 51666.

It is an arithmetic number, because the mean of its divisors is an integer number (16127376).

Almost surely, 2^64406801 is an apocalyptic number.

It is an amenable number.

64406801 is a deficient number, since it is larger than the sum of its proper divisors (102703).

64406801 is a wasteful number, since it uses less digits than its factorization.

64406801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102702.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 64406801 is about 8025.3847882827. The cubic root of 64406801 is about 400.8457127480.

The spelling of 64406801 in words is "sixty-four million, four hundred six thousand, eight hundred one".