70141279 has 4 divisors (see below), whose sum is σ = 75536776. Its totient is φ = 64745784.

The previous prime is 70141271. The next prime is 70141297. The reversal of 70141279 is 97214107.

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 70141279 - 2³ = 70141271 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 70141279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70141271) 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, 2697729 + ... + 2697754.

It is an arithmetic number, because the mean of its divisors is an integer number (18884194).

Almost surely, 2^70141279 is an apocalyptic number.

70141279 is a deficient number, since it is larger than the sum of its proper divisors (5395497).

70141279 is a wasteful number, since it uses less digits than its factorization.

70141279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395496.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 70141279 is about 8375.0390446851. The cubic root of 70141279 is about 412.4056060718.

The spelling of 70141279 in words is "seventy million, one hundred forty-one thousand, two hundred seventy-nine".