70141257 has 6 divisors (see below), whose sum is σ = 101315162. Its totient is φ = 46760832.

The previous prime is 70141243. The next prime is 70141261. The reversal of 70141257 is 75214107.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 8503056 = 7851^2 + 2916^2 .

It is not a de Polignac number, because 70141257 - 2⁴ = 70141241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70141257.

It is not an unprimeable number, because it can be changed into a prime (70141297) 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 5 ways as a sum of consecutive naturals, for example, 3896728 + ... + 3896745.

Almost surely, 2^70141257 is an apocalyptic number.

It is an amenable number.

70141257 is a deficient number, since it is larger than the sum of its proper divisors (31173905).

70141257 is a wasteful number, since it uses less digits than its factorization.

70141257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793479 (or 7793476 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 70141257 is about 8375.0377312583. The cubic root of 70141257 is about 412.4055629544.

The spelling of 70141257 in words is "seventy million, one hundred forty-one thousand, two hundred fifty-seven".