64798245 has 64 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 32186880.

The previous prime is 64798241. The next prime is 64798273. The reversal of 64798245 is 54289746.

It is a happy number.

It is not a de Polignac number, because 64798245 - 2² = 64798241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64798245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64798241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127051 + ... + 127559.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^64798245 is an apocalyptic number.

It is an amenable number.

64798245 is a deficient number, since it is larger than the sum of its proper divisors (58580955).

64798245 is a wasteful number, since it uses less digits than its factorization.

64798245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 64798245 is about 8049.7357099473. The cubic root of 64798245 is about 401.6561439214.

The spelling of 64798245 in words is "sixty-four million, seven hundred ninety-eight thousand, two hundred forty-five".