1920074670 has 96 divisors (see below), whose sum is σ = 5140785312. Its totient is φ = 496855296.

The previous prime is 1920074647. The next prime is 1920074671. The reversal of 1920074670 is 764700291.

It is a happy number.

1920074670 is a `hidden beast` number, since 192 + 0 + 0 + 7 + 467 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920074671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2174049 + ... + 2174931.

It is an arithmetic number, because the mean of its divisors is an integer number (53549847).

Almost surely, 2^1920074670 is an apocalyptic number.

1920074670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920074670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570392656).

1920074670 is an abundant number, since it is smaller than the sum of its proper divisors (3220710642).

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

1920074670 is a wasteful number, since it uses less digits than its factorization.

1920074670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1920074670 is about 43818.6566430328. The cubic root of 1920074670 is about 1242.9091144679.

The spelling of 1920074670 in words is "one billion, nine hundred twenty million, seventy-four thousand, six hundred seventy".