68657003 has 4 divisors (see below), whose sum is σ = 69428520. Its totient is φ = 67885488.

The previous prime is 68656997. The next prime is 68657009. The reversal of 68657003 is 30075686.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (68656997) and next prime (68657009).

It is a cyclic number.

It is not a de Polignac number, because 68657003 - 2¹⁴ = 68640619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68657009) 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, 385625 + ... + 385802.

It is an arithmetic number, because the mean of its divisors is an integer number (17357130).

Almost surely, 2^68657003 is an apocalyptic number.

68657003 is a deficient number, since it is larger than the sum of its proper divisors (771517).

68657003 is an equidigital number, since it uses as much as digits as its factorization.

68657003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771516.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 68657003 is about 8285.9521480636. The cubic root of 68657003 is about 409.4758382053.

The spelling of 68657003 in words is "sixty-eight million, six hundred fifty-seven thousand, three".