1790749290 has 32 divisors (see below), whose sum is σ = 4688508096. Its totient is φ = 434120960.

The previous prime is 1790749271. The next prime is 1790749313. The reversal of 1790749290 is 929470971.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712927 + ... + 2713586.

It is an arithmetic number, because the mean of its divisors is an integer number (146515878).

Almost surely, 2^1790749290 is an apocalyptic number.

1790749290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1790749290 is an abundant number, since it is smaller than the sum of its proper divisors (2897758806).

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

1790749290 is a wasteful number, since it uses less digits than its factorization.

1790749290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426534.

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 1790749290 is about 42317.2457752156. The cubic root of 1790749290 is about 1214.3529417187.

The spelling of 1790749290 in words is "one billion, seven hundred ninety million, seven hundred forty-nine thousand, two hundred ninety".