2517720472 has 16 divisors (see below), whose sum is σ = 4722359400. Its totient is φ = 1258424640.

The previous prime is 2517720467. The next prime is 2517720481. The reversal of 2517720472 is 2740277152.

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, 29197 + ... + 76732.

Almost surely, 2^2517720472 is an apocalyptic number.

It is an amenable number.

2517720472 is a deficient number, since it is larger than the sum of its proper divisors (2204638928).

2517720472 is a wasteful number, since it uses less digits than its factorization.

2517720472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108906 (or 108902 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 2517720472 is about 50176.8918128654. The cubic root of 2517720472 is about 1360.4079788115.

The spelling of 2517720472 in words is "two billion, five hundred seventeen million, seven hundred twenty thousand, four hundred seventy-two".