1749390480 has 80 divisors (see below), whose sum is σ = 6025685760. Its totient is φ = 466503552.

The previous prime is 1749390479. The next prime is 1749390523. The reversal of 1749390480 is 840939471.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402792 + ... + 407111.

It is an arithmetic number, because the mean of its divisors is an integer number (75321072).

Almost surely, 2^1749390480 is an apocalyptic number.

1749390480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1749390480 is an abundant number, since it is smaller than the sum of its proper divisors (4276295280).

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

1749390480 is a wasteful number, since it uses less digits than its factorization.

1749390480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809925 (or 809913 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1749390480 is about 41825.7155348238. The cubic root of 1749390480 is about 1204.9312082306.

The spelling of 1749390480 in words is "one billion, seven hundred forty-nine million, three hundred ninety thousand, four hundred eighty".