68264515 has 8 divisors (see below), whose sum is σ = 89364528. Its totient is φ = 49646880.

The previous prime is 68264489. The next prime is 68264531. The reversal of 68264515 is 51546286.

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

It is not a de Polignac number, because 68264515 - 2¹³ = 68256323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620532 + ... + 620641.

It is an arithmetic number, because the mean of its divisors is an integer number (11170566).

Almost surely, 2^68264515 is an apocalyptic number.

68264515 is a deficient number, since it is larger than the sum of its proper divisors (21100013).

68264515 is a wasteful number, since it uses less digits than its factorization.

68264515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241189.

The product of its digits is 57600, while the sum is 37.

The square root of 68264515 is about 8262.2342619899. The cubic root of 68264515 is about 408.6940700375.

The spelling of 68264515 in words is "sixty-eight million, two hundred sixty-four thousand, five hundred fifteen".