64297441 has 16 divisors (see below), whose sum is σ = 72217600. Its totient is φ = 56842560.

The previous prime is 64297439. The next prime is 64297447. The reversal of 64297441 is 14479246.

It is a happy number.

64297441 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 64297441 - 2¹ = 64297439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64297441.

It is not an unprimeable number, because it can be changed into a prime (64297447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40735 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (4513600).

Almost surely, 2^64297441 is an apocalyptic number.

It is an amenable number.

64297441 is a deficient number, since it is larger than the sum of its proper divisors (7920159).

64297441 is a wasteful number, since it uses less digits than its factorization.

64297441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its digits is 48384, while the sum is 37.

The square root of 64297441 is about 8018.5685131450. The cubic root of 64297441 is about 400.6187112476.

The spelling of 64297441 in words is "sixty-four million, two hundred ninety-seven thousand, four hundred forty-one".