70349671 has 4 divisors (see below), whose sum is σ = 80399632. Its totient is φ = 60299712.

The previous prime is 70349627. The next prime is 70349701. The reversal of 70349671 is 17694307.

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 70349671 - 2¹¹ = 70347623 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 70349671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70349471) 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, 5024970 + ... + 5024983.

It is an arithmetic number, because the mean of its divisors is an integer number (20099908).

Almost surely, 2^70349671 is an apocalyptic number.

70349671 is a deficient number, since it is larger than the sum of its proper divisors (10049961).

70349671 is a wasteful number, since it uses less digits than its factorization.

70349671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049960.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 70349671 is about 8387.4710729755. The cubic root of 70349671 is about 412.8136257064.

The spelling of 70349671 in words is "seventy million, three hundred forty-nine thousand, six hundred seventy-one".