1742868920 has 32 divisors (see below), whose sum is σ = 4223106720. Its totient is φ = 643520640.

The previous prime is 1742868913. The next prime is 1742868929. The reversal of 1742868920 is 298682471.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742868929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675316 + ... + 1676355.

It is an arithmetic number, because the mean of its divisors is an integer number (131972085).

Almost surely, 2^1742868920 is an apocalyptic number.

1742868920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1742868920 is an abundant number, since it is smaller than the sum of its proper divisors (2480237800).

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

1742868920 is a wasteful number, since it uses less digits than its factorization.

1742868920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351695 (or 3351691 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1742868920 is about 41747.6816122764. The cubic root of 1742868920 is about 1203.4320544403.

The spelling of 1742868920 in words is "one billion, seven hundred forty-two million, eight hundred sixty-eight thousand, nine hundred twenty".