64834783 has 8 divisors (see below), whose sum is σ = 73497200. Its totient is φ = 56697408.

The previous prime is 64834771. The next prime is 64834793. The reversal of 64834783 is 38743846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64834783 - 2⁵ = 64834751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64834793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130998 + ... + 131491.

It is an arithmetic number, because the mean of its divisors is an integer number (9187150).

Almost surely, 2^64834783 is an apocalyptic number.

64834783 is a deficient number, since it is larger than the sum of its proper divisors (8662417).

64834783 is a wasteful number, since it uses less digits than its factorization.

64834783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262521.

The product of its digits is 387072, while the sum is 43.

The square root of 64834783 is about 8052.0049056120. The cubic root of 64834783 is about 401.7316241274.

The spelling of 64834783 in words is "sixty-four million, eight hundred thirty-four thousand, seven hundred eighty-three".