64774828 has 24 divisors (see below), whose sum is σ = 120279600. Its totient is φ = 30417408.

The previous prime is 64774799. The next prime is 64774847. The reversal of 64774828 is 82847746.

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, 49608 + ... + 50896.

It is an arithmetic number, because the mean of its divisors is an integer number (5011650).

Almost surely, 2^64774828 is an apocalyptic number.

64774828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64774828 is a deficient number, since it is larger than the sum of its proper divisors (55504772).

64774828 is a wasteful number, since it uses less digits than its factorization.

64774828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2047 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 64774828 is about 8048.2810587106. The cubic root of 64774828 is about 401.6077541584.

The spelling of 64774828 in words is "sixty-four million, seven hundred seventy-four thousand, eight hundred twenty-eight".