1670695272 has 48 divisors (see below), whose sum is σ = 4557854340. Its totient is φ = 552830208.

The previous prime is 1670695241. The next prime is 1670695283. The reversal of 1670695272 is 2725960761.

1670695272 is a `hidden beast` number, since 1 + 67 + 0 + 69 + 527 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1660236516 + 10458756 = 40746^2 + 3234^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74823 + ... + 94550.

Almost surely, 2^1670695272 is an apocalyptic number.

1670695272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670695272 is an abundant number, since it is smaller than the sum of its proper divisors (2887159068).

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

1670695272 is a wasteful number, since it uses less digits than its factorization.

1670695272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169522 (or 169515 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 1670695272 is about 40874.1394037844. The cubic root of 1670695272 is about 1186.5856207888.

The spelling of 1670695272 in words is "one billion, six hundred seventy million, six hundred ninety-five thousand, two hundred seventy-two".