2001761732 has 6 divisors (see below), whose sum is σ = 3503083038. Its totient is φ = 1000880864.

The previous prime is 2001761731. The next prime is 2001761759. The reversal of 2001761732 is 2371671002.

It can be written as a sum of positive squares in only one way, i.e., 1602721156 + 399040576 = 40034^2 + 19976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001761695 and 2001761704.

It is not an unprimeable number, because it can be changed into a prime (2001761731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250220213 + ... + 250220220.

It is an arithmetic number, because the mean of its divisors is an integer number (583847173).

Almost surely, 2^2001761732 is an apocalyptic number.

It is an amenable number.

2001761732 is a deficient number, since it is larger than the sum of its proper divisors (1501321306).

2001761732 is a wasteful number, since it uses less digits than its factorization.

2001761732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500440437 (or 500440435 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2001761732 is about 44741.0519769037. The cubic root of 2001761732 is about 1260.2908818638.

The spelling of 2001761732 in words is "two billion, one million, seven hundred sixty-one thousand, seven hundred thirty-two".