70111445 has 8 divisors (see below), whose sum is σ = 84205440. Its totient is φ = 56041360.

The previous prime is 70111409. The next prime is 70111477. The reversal of 70111445 is 54411107.

It is a happy number.

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

It is not a de Polignac number, because 70111445 - 2⁶ = 70111381 is a prime.

It is a super-2 number, since 2×70111445² = 9831229439976050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70111445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (10525680).

Almost surely, 2^70111445 is an apocalyptic number.

It is an amenable number.

70111445 is a deficient number, since it is larger than the sum of its proper divisors (14093995).

70111445 is a wasteful number, since it uses less digits than its factorization.

70111445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 70111445 is about 8373.2577292234. The cubic root of 70111445 is about 412.3471267005.

The spelling of 70111445 in words is "seventy million, one hundred eleven thousand, four hundred forty-five".