64198034 has 8 divisors (see below), whose sum is σ = 98899788. Its totient is φ = 31231440.

The previous prime is 64198033. The next prime is 64198049. The reversal of 64198034 is 43089146.

It can be written as a sum of positive squares in 2 ways, for example, as 60016009 + 4182025 = 7747^2 + 2045^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64197985 and 64198003.

It is not an unprimeable number, because it can be changed into a prime (64198031) 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, 433697 + ... + 433844.

Almost surely, 2^64198034 is an apocalyptic number.

64198034 is a deficient number, since it is larger than the sum of its proper divisors (34701754).

64198034 is a wasteful number, since it uses less digits than its factorization.

64198034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867580.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 64198034 is about 8012.3675652082. The cubic root of 64198034 is about 400.4121460266.

The spelling of 64198034 in words is "sixty-four million, one hundred ninety-eight thousand, thirty-four".