128270074 has 16 divisors (see below), whose sum is σ = 199366920. Its totient is φ = 61821760.

The previous prime is 128270069. The next prime is 128270089. The reversal of 128270074 is 470072821.

It can be written as a sum of positive squares in 4 ways, for example, as 85433049 + 42837025 = 9243^2 + 6545^2 .

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, 43404 + ... + 46264.

Almost surely, 2^128270074 is an apocalyptic number.

128270074 is a deficient number, since it is larger than the sum of its proper divisors (71096846).

128270074 is a wasteful number, since it uses less digits than its factorization.

128270074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 128270074 is about 11325.6379069790. The cubic root of 128270074 is about 504.3226208731.

The spelling of 128270074 in words is "one hundred twenty-eight million, two hundred seventy thousand, seventy-four".