70279245 has 32 divisors (see below), whose sum is σ = 126503040. Its totient is φ = 37476432.

The previous prime is 70279229. The next prime is 70279249. The reversal of 70279245 is 54297207.

It is not a de Polignac number, because 70279245 - 2⁴ = 70279229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70279249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7722 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (3953220).

Almost surely, 2^70279245 is an apocalyptic number.

It is an amenable number.

70279245 is a deficient number, since it is larger than the sum of its proper divisors (56223795).

70279245 is an frugal number, since it uses more digits than its factorization.

70279245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453 (or 6435 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70279245 is about 8383.2717360229. The cubic root of 70279245 is about 412.6758258710.

The spelling of 70279245 in words is "seventy million, two hundred seventy-nine thousand, two hundred forty-five".