70553143 has 8 divisors (see below), whose sum is σ = 73180080. Its totient is φ = 67939200.

The previous prime is 70553107. The next prime is 70553177. The reversal of 70553143 is 34135507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70553143 - 2²⁵ = 36998711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70553183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8596 + ... + 14662.

It is an arithmetic number, because the mean of its divisors is an integer number (9147510).

Almost surely, 2^70553143 is an apocalyptic number.

70553143 is a deficient number, since it is larger than the sum of its proper divisors (2626937).

70553143 is a wasteful number, since it uses less digits than its factorization.

70553143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 70553143 is about 8399.5918353215. The cubic root of 70553143 is about 413.2112355427.

The spelling of 70553143 in words is "seventy million, five hundred fifty-three thousand, one hundred forty-three".