70475239 has 4 divisors (see below), whose sum is σ = 71467920. Its totient is φ = 69482560.

The previous prime is 70475203. The next prime is 70475257. The reversal of 70475239 is 93257407.

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 70475239 - 2¹¹ = 70473191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70475198 and 70475207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70475299) 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, 496234 + ... + 496375.

It is an arithmetic number, because the mean of its divisors is an integer number (17866980).

Almost surely, 2^70475239 is an apocalyptic number.

70475239 is a deficient number, since it is larger than the sum of its proper divisors (992681).

70475239 is an equidigital number, since it uses as much as digits as its factorization.

70475239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992680.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 70475239 is about 8394.9531862900. The cubic root of 70475239 is about 413.0590917721.

The spelling of 70475239 in words is "seventy million, four hundred seventy-five thousand, two hundred thirty-nine".