1670740506 has 40 divisors (see below), whose sum is σ = 3791113920. Its totient is φ = 549859752.

The previous prime is 1670740483. The next prime is 1670740517. The reversal of 1670740506 is 6050470761.

1670740506 is a `hidden beast` number, since 16 + 70 + 74 + 0 + 506 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52476 + ... + 78071.

It is an arithmetic number, because the mean of its divisors is an integer number (94777848).

Almost surely, 2^1670740506 is an apocalyptic number.

1670740506 is an abundant number, since it is smaller than the sum of its proper divisors (2120373414).

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

1670740506 is a wasteful number, since it uses less digits than its factorization.

1670740506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130640 (or 130631 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1670740506 is about 40874.6927327901. The cubic root of 1670740506 is about 1186.5963296097.

The spelling of 1670740506 in words is "one billion, six hundred seventy million, seven hundred forty thousand, five hundred six".