68884453 has 12 divisors (see below), whose sum is σ = 76509580. Its totient is φ = 61966080.

The previous prime is 68884451. The next prime is 68884457. The reversal of 68884453 is 35448886.

68884453 is a nontrivial binomial coefficient, being equal to C(11738, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 17288964 + 51595489 = 4158^2 + 7183^2 .

It is not a de Polignac number, because 68884453 - 2¹ = 68884451 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68884451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8803 + ... + 14671.

Almost surely, 2^68884453 is an apocalyptic number.

68884453 is the 11737-th triangular number and also the 5869-th hexagonal number.

68884453 is the 3913-rd centered nonagonal number.

It is an amenable number.

68884453 is a deficient number, since it is larger than the sum of its proper divisors (7625127).

68884453 is a wasteful number, since it uses less digits than its factorization.

68884453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988 (or 5977 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 68884453 is about 8299.6658366467. The cubic root of 68884453 is about 409.9275164349.

The spelling of 68884453 in words is "sixty-eight million, eight hundred eighty-four thousand, four hundred fifty-three".