1900066734 has 20 divisors (see below), whose sum is σ = 4257557304. Its totient is φ = 633355524.

The previous prime is 1900066733. The next prime is 1900066783. The reversal of 1900066734 is 4376600091.

1900066734 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1900066734² = 7220507187306853512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900066733) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5864242 + ... + 5864565.

Almost surely, 2^1900066734 is an apocalyptic number.

1900066734 is an abundant number, since it is smaller than the sum of its proper divisors (2357490570).

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

1900066734 is a wasteful number, since it uses less digits than its factorization.

1900066734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728821 (or 11728812 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1900066734 is about 43589.7549201644. The cubic root of 1900066734 is about 1238.5768302005.

The spelling of 1900066734 in words is "one billion, nine hundred million, sixty-six thousand, seven hundred thirty-four".