70822145 has 8 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 55859440.

The previous prime is 70822133. The next prime is 70822163. The reversal of 70822145 is 54122807.

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

It is a de Polignac number, because none of the positive numbers 2^k-70822145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99395 + ... + 100104.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^70822145 is an apocalyptic number.

It is an amenable number.

70822145 is a deficient number, since it is larger than the sum of its proper divisors (15361855).

70822145 is a wasteful number, since it uses less digits than its factorization.

70822145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199575.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 70822145 is about 8415.5894030068. The cubic root of 70822145 is about 413.7357275496.

The spelling of 70822145 in words is "seventy million, eight hundred twenty-two thousand, one hundred forty-five".