68762869 has 4 divisors (see below), whose sum is σ = 78586144. Its totient is φ = 58939596.

The previous prime is 68762851. The next prime is 68762879. The reversal of 68762869 is 96826786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68762869 - 2¹³ = 68754677 is a prime.

It is a super-2 number, since 2×68762869² = 9456664306222322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68762809) 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, 4911627 + ... + 4911640.

It is an arithmetic number, because the mean of its divisors is an integer number (19646536).

Almost surely, 2^68762869 is an apocalyptic number.

It is an amenable number.

68762869 is a deficient number, since it is larger than the sum of its proper divisors (9823275).

68762869 is an equidigital number, since it uses as much as digits as its factorization.

68762869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823274.

The product of its digits is 1741824, while the sum is 52.

The square root of 68762869 is about 8292.3379694752. The cubic root of 68762869 is about 409.6861945430.

The spelling of 68762869 in words is "sixty-eight million, seven hundred sixty-two thousand, eight hundred sixty-nine".