1790791925 has 24 divisors (see below), whose sum is σ = 2400028680. Its totient is φ = 1317657600.

The previous prime is 1790791921. The next prime is 1790791927. The reversal of 1790791925 is 5291970971.

It can be written as a sum of positive squares in 12 ways, for example, as 126315121 + 1664476804 = 11239^2 + 40798^2 .

It is not a de Polignac number, because 1790791925 - 2² = 1790791921 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1790791921) 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, 81521 + ... + 101129.

It is an arithmetic number, because the mean of its divisors is an integer number (100001195).

Almost surely, 2^1790791925 is an apocalyptic number.

It is an amenable number.

1790791925 is a deficient number, since it is larger than the sum of its proper divisors (609236755).

1790791925 is a wasteful number, since it uses less digits than its factorization.

1790791925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19913 (or 19908 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 50.

The square root of 1790791925 is about 42317.7495266466. The cubic root of 1790791925 is about 1214.3625789373.

The spelling of 1790791925 in words is "one billion, seven hundred ninety million, seven hundred ninety-one thousand, nine hundred twenty-five".