70122745 has 32 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 41807040.

The previous prime is 70122737. The next prime is 70122757. The reversal of 70122745 is 54722107.

It is not a de Polignac number, because 70122745 - 2³ = 70122737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4896 + ... + 12814.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^70122745 is an apocalyptic number.

It is an amenable number.

70122745 is a deficient number, since it is larger than the sum of its proper divisors (39363335).

70122745 is a wasteful number, since it uses less digits than its factorization.

70122745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70122745 is about 8373.9324692763. The cubic root of 70122745 is about 412.3692784439.

The spelling of 70122745 in words is "seventy million, one hundred twenty-two thousand, seven hundred forty-five".