70884249 has 4 divisors (see below), whose sum is σ = 94512336. Its totient is φ = 47256164.

The previous prime is 70884239. The next prime is 70884263. The reversal of 70884249 is 94248807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70884249 - 2⁸ = 70883993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70884249.

It is not an unprimeable number, because it can be changed into a prime (70884239) 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, 11814039 + ... + 11814044.

It is an arithmetic number, because the mean of its divisors is an integer number (23628084).

Almost surely, 2^70884249 is an apocalyptic number.

It is an amenable number.

70884249 is a deficient number, since it is larger than the sum of its proper divisors (23628087).

70884249 is a wasteful number, since it uses less digits than its factorization.

70884249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23628086.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 70884249 is about 8419.2784132608. The cubic root of 70884249 is about 413.8566272895.

The spelling of 70884249 in words is "seventy million, eight hundred eighty-four thousand, two hundred forty-nine".