1774990436 has 24 divisors (see below), whose sum is σ = 3210514944. Its totient is φ = 857773440.

The previous prime is 1774990429. The next prime is 1774990439. The reversal of 1774990436 is 6340994771.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1774990439) 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, 93356 + ... + 110748.

It is an arithmetic number, because the mean of its divisors is an integer number (133771456).

Almost surely, 2^1774990436 is an apocalyptic number.

It is an amenable number.

1774990436 is a deficient number, since it is larger than the sum of its proper divisors (1435524508).

1774990436 is a wasteful number, since it uses less digits than its factorization.

1774990436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251 (or 18249 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1774990436 is about 42130.6353619311. The cubic root of 1774990436 is about 1210.7802803645.

The spelling of 1774990436 in words is "one billion, seven hundred seventy-four million, nine hundred ninety thousand, four hundred thirty-six".