70523189 has 8 divisors (see below), whose sum is σ = 76995360. Its totient is φ = 64061200.

The previous prime is 70523161. The next prime is 70523197. The reversal of 70523189 is 98132507.

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 70523189 - 2²⁴ = 53745973 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 (70523489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24359 + ... + 27099.

It is an arithmetic number, because the mean of its divisors is an integer number (9624420).

Almost surely, 2^70523189 is an apocalyptic number.

It is an amenable number.

70523189 is a deficient number, since it is larger than the sum of its proper divisors (6472171).

70523189 is a wasteful number, since it uses less digits than its factorization.

70523189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 70523189 is about 8397.8085831960. The cubic root of 70523189 is about 413.1527496937.

The spelling of 70523189 in words is "seventy million, five hundred twenty-three thousand, one hundred eighty-nine".