70121274 has 16 divisors (see below), whose sum is σ = 143227008. Its totient is φ = 22876352.

The previous prime is 70121263. The next prime is 70121291. The reversal of 70121274 is 47212107.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124047 + ... + 124610.

It is an arithmetic number, because the mean of its divisors is an integer number (8951688).

Almost surely, 2^70121274 is an apocalyptic number.

70121274 is an abundant number, since it is smaller than the sum of its proper divisors (73105734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70121274 is a wasteful number, since it uses less digits than its factorization.

70121274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248709.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 70121274 is about 8373.8446367245. The cubic root of 70121274 is about 412.3663949314.

The spelling of 70121274 in words is "seventy million, one hundred twenty-one thousand, two hundred seventy-four".