1749974040 has 96 divisors (see below), whose sum is σ = 5700773520. Its totient is φ = 465563904.

The previous prime is 1749974029. The next prime is 1749974041. The reversal of 1749974040 is 404799471.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1749974041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153994 + ... + 164966.

Almost surely, 2^1749974040 is an apocalyptic number.

1749974040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1749974040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850386760).

1749974040 is an abundant number, since it is smaller than the sum of its proper divisors (3950799480).

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

1749974040 is a wasteful number, since it uses less digits than its factorization.

1749974040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433 (or 11426 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1749974040 is about 41832.6910442061. The cubic root of 1749974040 is about 1205.0651732683.

The spelling of 1749974040 in words is "one billion, seven hundred forty-nine million, nine hundred seventy-four thousand, forty".