1749947940 has 72 divisors (see below), whose sum is σ = 5716504248. Its totient is φ = 430755840.

The previous prime is 1749947891. The next prime is 1749947959. The reversal of 1749947940 is 497499471.

It can be written as a sum of positive squares in 4 ways, for example, as 8054244 + 1741893696 = 2838^2 + 41736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371581 + ... + 376260.

Almost surely, 2^1749947940 is an apocalyptic number.

1749947940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1749947940 is an abundant number, since it is smaller than the sum of its proper divisors (3966556308).

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

1749947940 is a wasteful number, since it uses less digits than its factorization.

1749947940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747869 (or 747864 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1749947940 is about 41832.3790860620. The cubic root of 1749947940 is about 1205.0591822542.

The spelling of 1749947940 in words is "one billion, seven hundred forty-nine million, nine hundred forty-seven thousand, nine hundred forty".