70578323 has 4 divisors (see below), whose sum is σ = 70775280. Its totient is φ = 70381368.

The previous prime is 70578311. The next prime is 70578341. The reversal of 70578323 is 32387507.

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

It is a cyclic number.

It is not a de Polignac number, because 70578323 - 2⁶ = 70578259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70578353) 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, 97940 + ... + 98657.

It is an arithmetic number, because the mean of its divisors is an integer number (17693820).

Almost surely, 2^70578323 is an apocalyptic number.

70578323 is a deficient number, since it is larger than the sum of its proper divisors (196957).

70578323 is a wasteful number, since it uses less digits than its factorization.

70578323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196956.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 70578323 is about 8401.0905839659. The cubic root of 70578323 is about 413.2603872456.

The spelling of 70578323 in words is "seventy million, five hundred seventy-eight thousand, three hundred twenty-three".