70041391 has 8 divisors (see below), whose sum is σ = 84260480. Its totient is φ = 56875608.

The previous prime is 70041373. The next prime is 70041397. The reversal of 70041391 is 19314007.

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

It is a cyclic number.

It is not a de Polignac number, because 70041391 - 2⁹ = 70040879 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 (70041397) 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, 263181 + ... + 263446.

It is an arithmetic number, because the mean of its divisors is an integer number (10532560).

Almost surely, 2^70041391 is an apocalyptic number.

70041391 is a deficient number, since it is larger than the sum of its proper divisors (14219089).

70041391 is a wasteful number, since it uses less digits than its factorization.

70041391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526653.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 70041391 is about 8369.0734851595. The cubic root of 70041391 is about 412.2097445088.

Adding to 70041391 its reverse (19314007), we get a palindrome (89355398).

The spelling of 70041391 in words is "seventy million, forty-one thousand, three hundred ninety-one".