2521673732 has 12 divisors (see below), whose sum is σ = 4413570000. Its totient is φ = 1260653736.

The previous prime is 2521673723. The next prime is 2521673753. The reversal of 2521673732 is 2373761252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12038 + ... + 72029.

It is an arithmetic number, because the mean of its divisors is an integer number (367797500).

Almost surely, 2^2521673732 is an apocalyptic number.

It is an amenable number.

2521673732 is a deficient number, since it is larger than the sum of its proper divisors (1891896268).

2521673732 is a wasteful number, since it uses less digits than its factorization.

2521673732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91570 (or 91568 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 2521673732 is about 50216.2695946244. The cubic root of 2521673732 is about 1361.1196323536.

The spelling of 2521673732 in words is "two billion, five hundred twenty-one million, six hundred seventy-three thousand, seven hundred thirty-two".