64241776 has 40 divisors (see below), whose sum is σ = 132446880. Its totient is φ = 30081024.

The previous prime is 64241767. The next prime is 64241789. The reversal of 64241776 is 67714246.

It is a congruent number.

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, 69445 + ... + 70363.

It is an arithmetic number, because the mean of its divisors is an integer number (3311172).

Almost surely, 2^64241776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64241776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66223440).

64241776 is an abundant number, since it is smaller than the sum of its proper divisors (68205104).

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

64241776 is a wasteful number, since it uses less digits than its factorization.

64241776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1195 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 64241776 is about 8015.0967554983. The cubic root of 64241776 is about 400.5030670436.

The spelling of 64241776 in words is "sixty-four million, two hundred forty-one thousand, seven hundred seventy-six".