47080661 has 4 divisors (see below), whose sum is σ = 48599424. Its totient is φ = 45561900.

The previous prime is 47080591. The next prime is 47080681. The reversal of 47080661 is 16608074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47080661 - 2²² = 42886357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47080681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759335 + ... + 759396.

It is an arithmetic number, because the mean of its divisors is an integer number (12149856).

Almost surely, 2^47080661 is an apocalyptic number.

It is an amenable number.

47080661 is a deficient number, since it is larger than the sum of its proper divisors (1518763).

47080661 is a wasteful number, since it uses less digits than its factorization.

47080661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518762.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 47080661 is about 6861.5348865979. The cubic root of 47080661 is about 361.0889379118.

The spelling of 47080661 in words is "forty-seven million, eighty thousand, six hundred sixty-one".