64469797 has 8 divisors (see below), whose sum is σ = 78014016. Its totient is φ = 52009152.

The previous prime is 64469791. The next prime is 64469809. The reversal of 64469797 is 79796446.

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 64469797 - 2²³ = 56081189 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 (64469791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270763 + ... + 271000.

It is an arithmetic number, because the mean of its divisors is an integer number (9751752).

Almost surely, 2^64469797 is an apocalyptic number.

It is an amenable number.

64469797 is a deficient number, since it is larger than the sum of its proper divisors (13544219).

64469797 is a wasteful number, since it uses less digits than its factorization.

64469797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541787.

The product of its digits is 2286144, while the sum is 52.

The square root of 64469797 is about 8029.3086252803. The cubic root of 64469797 is about 400.9763586206.

The spelling of 64469797 in words is "sixty-four million, four hundred sixty-nine thousand, seven hundred ninety-seven".