64797338 has 4 divisors (see below), whose sum is σ = 97196010. Its totient is φ = 32398668.

The previous prime is 64797331. The next prime is 64797367. The reversal of 64797338 is 83379746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46963609 + 17833729 = 6853^2 + 4223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64797292 and 64797301.

It is not an unprimeable number, because it can be changed into a prime (64797331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16199333 + ... + 16199336.

Almost surely, 2^64797338 is an apocalyptic number.

64797338 is a deficient number, since it is larger than the sum of its proper divisors (32398672).

64797338 is a wasteful number, since it uses less digits than its factorization.

64797338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32398671.

The product of its digits is 762048, while the sum is 47.

The square root of 64797338 is about 8049.6793724968. The cubic root of 64797338 is about 401.6542698798.

The spelling of 64797338 in words is "sixty-four million, seven hundred ninety-seven thousand, three hundred thirty-eight".