3680472261 has 8 divisors (see below), whose sum is σ = 4957887424. Its totient is φ = 2428352640.

The previous prime is 3680472247. The next prime is 3680472277. The reversal of 3680472261 is 1622740863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3680472261 - 2⁹ = 3680471749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680472221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6323545 + ... + 6324126.

It is an arithmetic number, because the mean of its divisors is an integer number (619735928).

Almost surely, 2^3680472261 is an apocalyptic number.

It is an amenable number.

3680472261 is a deficient number, since it is larger than the sum of its proper divisors (1277415163).

3680472261 is a wasteful number, since it uses less digits than its factorization.

3680472261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647771.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 3680472261 is about 60666.8959235595. The cubic root of 3680472261 is about 1543.9545663752.

The spelling of 3680472261 in words is "three billion, six hundred eighty million, four hundred seventy-two thousand, two hundred sixty-one".