64274748 has 48 divisors (see below), whose sum is σ = 153162240. Its totient is φ = 20974464.

The previous prime is 64274737. The next prime is 64274753. The reversal of 64274748 is 84747246.

64274748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 209211 + ... + 209517.

It is an arithmetic number, because the mean of its divisors is an integer number (3190880).

Almost surely, 2^64274748 is an apocalyptic number.

It is an amenable number.

64274748 is an abundant number, since it is smaller than the sum of its proper divisors (88887492).

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

64274748 is a wasteful number, since it uses less digits than its factorization.

64274748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 64274748 is about 8017.1533601397. The cubic root of 64274748 is about 400.5715745340.

It can be divided in two parts, 6427 and 4748, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 64274748 in words is "sixty-four million, two hundred seventy-four thousand, seven hundred forty-eight".