70822745 has 8 divisors (see below), whose sum is σ = 97128384. Its totient is φ = 48564144.

The previous prime is 70822723. The next prime is 70822753. The reversal of 70822745 is 54722807.

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 70822745 - 2¹⁴ = 70806361 is a prime.

It is a super-2 number, since 2×70822745² = 10031722418670050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2023507 = 70822745 / (7 + 0 + 8 + 2 + 2 + 7 + 4 + 5).

It is a Duffinian 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, 1011719 + ... + 1011788.

It is an arithmetic number, because the mean of its divisors is an integer number (12141048).

Almost surely, 2^70822745 is an apocalyptic number.

It is an amenable number.

70822745 is a deficient number, since it is larger than the sum of its proper divisors (26305639).

70822745 is a wasteful number, since it uses less digits than its factorization.

70822745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023519.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 70822745 is about 8415.6250510583. The cubic root of 70822745 is about 413.7368959258.

The spelling of 70822745 in words is "seventy million, eight hundred twenty-two thousand, seven hundred forty-five".