70168453 has 4 divisors (see below), whose sum is σ = 70441740. Its totient is φ = 69895168.

The previous prime is 70168433. The next prime is 70168457. The reversal of 70168453 is 35486107.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62204769 + 7963684 = 7887^2 + 2822^2 .

It is a cyclic number.

It is not a de Polignac number, because 70168453 - 2¹⁷ = 70037381 is a prime.

It is a super-2 number, since 2×70168453² = 9847223592826418, 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 (70168457) 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, 136258 + ... + 136771.

It is an arithmetic number, because the mean of its divisors is an integer number (17610435).

Almost surely, 2^70168453 is an apocalyptic number.

It is an amenable number.

70168453 is a deficient number, since it is larger than the sum of its proper divisors (273287).

70168453 is a wasteful number, since it uses less digits than its factorization.

70168453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273286.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 70168453 is about 8376.6612083813. The cubic root of 70168453 is about 412.4588569923.

The spelling of 70168453 in words is "seventy million, one hundred sixty-eight thousand, four hundred fifty-three".