68837645 has 8 divisors (see below), whose sum is σ = 82667520. Its totient is φ = 55028560.

The previous prime is 68837633. The next prime is 68837663. The reversal of 68837645 is 54673886.

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

It is not a de Polignac number, because 68837645 - 2⁶ = 68837581 is a prime.

It is a super-3 number, since 3×68837645³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68837645.

It is a congruent number.

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, 3380 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (10333440).

Almost surely, 2^68837645 is an apocalyptic number.

It is an amenable number.

68837645 is a deficient number, since it is larger than the sum of its proper divisors (13829875).

68837645 is a wasteful number, since it uses less digits than its factorization.

68837645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395.

The product of its digits is 967680, while the sum is 47.

The square root of 68837645 is about 8296.8454848816. The cubic root of 68837645 is about 409.8346448016.

The spelling of 68837645 in words is "sixty-eight million, eight hundred thirty-seven thousand, six hundred forty-five".