68892653 has 4 divisors (see below), whose sum is σ = 72945180. Its totient is φ = 64840128.

The previous prime is 68892643. The next prime is 68892667. The reversal of 68892653 is 35629886.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46063369 + 22829284 = 6787^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 68892653 - 2¹² = 68888557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68892598 and 68892607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68892623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026238 + ... + 2026271.

It is an arithmetic number, because the mean of its divisors is an integer number (18236295).

Almost surely, 2^68892653 is an apocalyptic number.

It is an amenable number.

68892653 is a deficient number, since it is larger than the sum of its proper divisors (4052527).

68892653 is a wasteful number, since it uses less digits than its factorization.

68892653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052526.

The product of its digits is 622080, while the sum is 47.

The square root of 68892653 is about 8300.1598177385. The cubic root of 68892653 is about 409.9437817029.

The spelling of 68892653 in words is "sixty-eight million, eight hundred ninety-two thousand, six hundred fifty-three".