68647373 has 4 divisors (see below), whose sum is σ = 68972928. Its totient is φ = 68321820.

The previous prime is 68647363. The next prime is 68647417. The reversal of 68647373 is 37374686.

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 68647373 - 2¹⁰ = 68646349 is a prime.

It is a super-2 number, since 2×68647373² = 9424923639602258, 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 (68647363) 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, 162461 + ... + 162882.

It is an arithmetic number, because the mean of its divisors is an integer number (17243232).

Almost surely, 2^68647373 is an apocalyptic number.

It is an amenable number.

68647373 is a deficient number, since it is larger than the sum of its proper divisors (325555).

68647373 is a wasteful number, since it uses less digits than its factorization.

68647373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325554.

The product of its digits is 508032, while the sum is 44.

The square root of 68647373 is about 8285.3710236778. The cubic root of 68647373 is about 409.4566926143.

The spelling of 68647373 in words is "sixty-eight million, six hundred forty-seven thousand, three hundred seventy-three".