64802495 has 8 divisors (see below), whose sum is σ = 78323280. Its totient is φ = 51468480.

The previous prime is 64802459. The next prime is 64802537. The reversal of 64802495 is 59420846.

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

It is not a de Polignac number, because 64802495 - 2¹⁸ = 64540351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45926 + ... + 47315.

It is an arithmetic number, because the mean of its divisors is an integer number (9790410).

Almost surely, 2^64802495 is an apocalyptic number.

64802495 is a deficient number, since it is larger than the sum of its proper divisors (13520785).

64802495 is a wasteful number, since it uses less digits than its factorization.

64802495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93385.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 64802495 is about 8049.9996894410. Note that the first 3 decimals coincide. The cubic root of 64802495 is about 401.6649250301.

The spelling of 64802495 in words is "sixty-four million, eight hundred two thousand, four hundred ninety-five".