68674369 has 3 divisors (see below), whose sum is σ = 68682657. Its totient is φ = 68666082.

The previous prime is 68674367. The next prime is 68674387. The reversal of 68674369 is 96347686.

The square root of 68674369 is 8287.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 68674369 - 2¹ = 68674367 is a prime.

It is a super-2 number, since 2×68674369² = 9432337915096322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68674363) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4144 + ... + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (22894219).

Almost surely, 2^68674369 is an apocalyptic number.

68674369 is the 8287-th square number.

68674369 is the 4144-th centered octagonal number.

It is an amenable number.

68674369 is a deficient number, since it is larger than the sum of its proper divisors (8288).

68674369 is an frugal number, since it uses more digits than its factorization.

68674369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574 (or 8287 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The cubic root of 68674369 is about 409.5103593643.

Multiplying 68674369 by its sum of digits (49), we get a square (3365044081 = 58009²).

It can be divided in two parts, 6867 and 4369, that added together give a square (11236 = 106²).

The spelling of 68674369 in words is "sixty-eight million, six hundred seventy-four thousand, three hundred sixty-nine".