70002881 has 8 divisors (see below), whose sum is σ = 76992384. Its totient is φ = 63242640.

The previous prime is 70002811. The next prime is 70002883. The reversal of 70002881 is 18820007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70002881 is a prime.

It is a super-2 number, since 2×70002881² = 9800806696600322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70002881.

It is not an unprimeable number, because it can be changed into a prime (70002883) 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, 56675 + ... + 57896.

It is an arithmetic number, because the mean of its divisors is an integer number (9624048).

Almost surely, 2^70002881 is an apocalyptic number.

It is an amenable number.

70002881 is a deficient number, since it is larger than the sum of its proper divisors (6989503).

70002881 is a wasteful number, since it uses less digits than its factorization.

70002881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114631.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 70002881 is about 8366.7724362504. The cubic root of 70002881 is about 412.1341839142.

Adding to 70002881 its reverse (18820007), we get a palindrome (88822888).

The spelling of 70002881 in words is "seventy million, two thousand, eight hundred eighty-one".