1890740752 has 20 divisors (see below), whose sum is σ = 3665921616. Its totient is φ = 944696480.

The previous prime is 1890740741. The next prime is 1890740759. The reversal of 1890740752 is 2570470981.

It is a junction number, because it is equal to n+sod(n) for n = 1890740699 and 1890740708.

It is not an unprimeable number, because it can be changed into a prime (1890740759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18574 + ... + 64237.

Almost surely, 2^1890740752 is an apocalyptic number.

It is an amenable number.

1890740752 is a deficient number, since it is larger than the sum of its proper divisors (1775180864).

1890740752 is a wasteful number, since it uses less digits than its factorization.

1890740752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84246 (or 84240 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 1890740752 is about 43482.6488613562. The cubic root of 1890740752 is about 1236.5470953171.

The spelling of 1890740752 in words is "one billion, eight hundred ninety million, seven hundred forty thousand, seven hundred fifty-two".