64769698 has 8 divisors (see below), whose sum is σ = 111033792. Its totient is φ = 27758436.

The previous prime is 64769693. The next prime is 64769707. The reversal of 64769698 is 89696746.

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

It is a super-2 number, since 2×64769698² = 8390227558022408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64769693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313190 + ... + 2313217.

It is an arithmetic number, because the mean of its divisors is an integer number (13879224).

Almost surely, 2^64769698 is an apocalyptic number.

64769698 is a deficient number, since it is larger than the sum of its proper divisors (46264094).

64769698 is a wasteful number, since it uses less digits than its factorization.

64769698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626416.

The product of its digits is 3919104, while the sum is 55.

The square root of 64769698 is about 8047.9623508066. The cubic root of 64769698 is about 401.5971517777.

The spelling of 64769698 in words is "sixty-four million, seven hundred sixty-nine thousand, six hundred ninety-eight".