70042191 has 8 divisors (see below), whose sum is σ = 93613104. Its totient is φ = 46583040.

The previous prime is 70042127. The next prime is 70042211. The reversal of 70042191 is 19124007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70042191 - 2⁶ = 70042127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70042121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26466 + ... + 28991.

It is an arithmetic number, because the mean of its divisors is an integer number (11701638).

Almost surely, 2^70042191 is an apocalyptic number.

70042191 is a deficient number, since it is larger than the sum of its proper divisors (23570913).

70042191 is a wasteful number, since it uses less digits than its factorization.

70042191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55881.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 70042191 is about 8369.1212800389. The cubic root of 70042191 is about 412.2113138977.

Adding to 70042191 its reverse (19124007), we get a palindrome (89166198).

The spelling of 70042191 in words is "seventy million, forty-two thousand, one hundred ninety-one".