64738803 has 4 divisors (see below), whose sum is σ = 86318408. Its totient is φ = 43159200.

The previous prime is 64738801. The next prime is 64738831. The reversal of 64738803 is 30883746.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64738803 - 2¹ = 64738801 is a prime.

It is a super-2 number, since 2×64738803² = 8382225227745618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64738801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10789798 + ... + 10789803.

It is an arithmetic number, because the mean of its divisors is an integer number (21579602).

Almost surely, 2^64738803 is an apocalyptic number.

64738803 is a deficient number, since it is larger than the sum of its proper divisors (21579605).

64738803 is a wasteful number, since it uses less digits than its factorization.

64738803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579604.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 64738803 is about 8046.0426919076. The cubic root of 64738803 is about 401.5332879768.

The spelling of 64738803 in words is "sixty-four million, seven hundred thirty-eight thousand, eight hundred three".