70279390 has 8 divisors (see below), whose sum is σ = 126502920. Its totient is φ = 28111752.

The previous prime is 70279369. The next prime is 70279393. The reversal of 70279390 is 9397207.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70279393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513960 + ... + 3513979.

It is an arithmetic number, because the mean of its divisors is an integer number (15812865).

Almost surely, 2^70279390 is an apocalyptic number.

70279390 is a deficient number, since it is larger than the sum of its proper divisors (56223530).

70279390 is a wasteful number, since it uses less digits than its factorization.

70279390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027946.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 70279390 is about 8383.2803841933. The cubic root of 70279390 is about 412.6761096814.

The spelling of 70279390 in words is "seventy million, two hundred seventy-nine thousand, three hundred ninety".