2521667072 has 40 divisors (see below), whose sum is σ = 5133528576. Its totient is φ = 1237030912.

The previous prime is 2521667051. The next prime is 2521667081. The reversal of 2521667072 is 2707661252.

It is a happy number.

It is a congruent 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, 19328 + ... + 73599.

Almost surely, 2^2521667072 is an apocalyptic number.

It is an amenable number.

2521667072 is an abundant number, since it is smaller than the sum of its proper divisors (2611861504).

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

2521667072 is an frugal number, since it uses more digits than its factorization.

2521667072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92998 (or 92982 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2521667072 is about 50216.2032814111. The cubic root of 2521667072 is about 1361.1184340669.

The spelling of 2521667072 in words is "two billion, five hundred twenty-one million, six hundred sixty-seven thousand, seventy-two".