68573669 has 4 divisors (see below), whose sum is σ = 68797344. Its totient is φ = 68349996.

The previous prime is 68573663. The next prime is 68573683. The reversal of 68573669 is 96637586.

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 a de Polignac number, because none of the positive numbers 2^k-68573669 is a prime.

It is a super-2 number, since 2×68573669² = 9404696160243122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68573663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111377 + ... + 111990.

It is an arithmetic number, because the mean of its divisors is an integer number (17199336).

Almost surely, 2^68573669 is an apocalyptic number.

It is an amenable number.

68573669 is a deficient number, since it is larger than the sum of its proper divisors (223675).

68573669 is a wasteful number, since it uses less digits than its factorization.

68573669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223674.

The product of its digits is 1632960, while the sum is 50.

The square root of 68573669 is about 8280.9219897304. The cubic root of 68573669 is about 409.3101009254.

The spelling of 68573669 in words is "sixty-eight million, five hundred seventy-three thousand, six hundred sixty-nine".