64802534 has 16 divisors (see below), whose sum is σ = 99063216. Its totient is φ = 31785600.

The previous prime is 64802459. The next prime is 64802537. The reversal of 64802534 is 43520846.

It is a self number, because there is not a number n which added to its sum of digits gives 64802534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64802537) 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, 36794 + ... + 38514.

It is an arithmetic number, because the mean of its divisors is an integer number (6191451).

Almost surely, 2^64802534 is an apocalyptic number.

64802534 is a deficient number, since it is larger than the sum of its proper divisors (34260682).

64802534 is a wasteful number, since it uses less digits than its factorization.

64802534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 64802534 is about 8050.0021118010. The cubic root of 64802534 is about 401.6650056079.

The spelling of 64802534 in words is "sixty-four million, eight hundred two thousand, five hundred thirty-four".