70123474 has 16 divisors (see below), whose sum is σ = 106268760. Its totient is φ = 34702720.

The previous prime is 70123439. The next prime is 70123499. The reversal of 70123474 is 47432107.

It can be written as a sum of positive squares in 4 ways, for example, as 59397849 + 10725625 = 7707^2 + 3275^2 .

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 134334 + ... + 134854.

Almost surely, 2^70123474 is an apocalyptic number.

70123474 is a deficient number, since it is larger than the sum of its proper divisors (36145286).

70123474 is a wasteful number, since it uses less digits than its factorization.

70123474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 70123474 is about 8373.9759970996. The cubic root of 70123474 is about 412.3707074437.

The spelling of 70123474 in words is "seventy million, one hundred twenty-three thousand, four hundred seventy-four".