70253427 has 4 divisors (see below), whose sum is σ = 93671240. Its totient is φ = 46835616.

The previous prime is 70253413. The next prime is 70253437. The reversal of 70253427 is 72435207.

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

It is not a de Polignac number, because 70253427 - 2⁴ = 70253411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70253394 and 70253403.

It is not an unprimeable number, because it can be changed into a prime (70253437) 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, 11708902 + ... + 11708907.

It is an arithmetic number, because the mean of its divisors is an integer number (23417810).

Almost surely, 2^70253427 is an apocalyptic number.

70253427 is a deficient number, since it is larger than the sum of its proper divisors (23417813).

70253427 is a wasteful number, since it uses less digits than its factorization.

70253427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417812.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 70253427 is about 8381.7317423072. The cubic root of 70253427 is about 412.6252857273.

The spelling of 70253427 in words is "seventy million, two hundred fifty-three thousand, four hundred twenty-seven".