70172453 has 16 divisors (see below), whose sum is σ = 80209920. Its totient is φ = 60854976.

The previous prime is 70172449. The next prime is 70172467. The reversal of 70172453 is 35427107.

It is not a de Polignac number, because 70172453 - 2² = 70172449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70172423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30251 + ... + 32487.

It is an arithmetic number, because the mean of its divisors is an integer number (5013120).

Almost surely, 2^70172453 is an apocalyptic number.

It is an amenable number.

70172453 is a deficient number, since it is larger than the sum of its proper divisors (10037467).

70172453 is a wasteful number, since it uses less digits than its factorization.

70172453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 70172453 is about 8376.8999635903. The cubic root of 70172453 is about 412.4666943419.

The spelling of 70172453 in words is "seventy million, one hundred seventy-two thousand, four hundred fifty-three".