70255957 has 4 divisors (see below), whose sum is σ = 71407756. Its totient is φ = 69104160.

The previous prime is 70255909. The next prime is 70255973. The reversal of 70255957 is 75955207.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 60855601 = 3066^2 + 7801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70255957 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 (70255907) 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, 575808 + ... + 575929.

It is an arithmetic number, because the mean of its divisors is an integer number (17851939).

Almost surely, 2^70255957 is an apocalyptic number.

It is an amenable number.

70255957 is a deficient number, since it is larger than the sum of its proper divisors (1151799).

70255957 is a wasteful number, since it uses less digits than its factorization.

70255957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151798.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 70255957 is about 8381.8826644138. The cubic root of 70255957 is about 412.6302388875.

The spelling of 70255957 in words is "seventy million, two hundred fifty-five thousand, nine hundred fifty-seven".