47672581 has 8 divisors (see below), whose sum is σ = 52064928. Its totient is φ = 43290000.

The previous prime is 47672561. The next prime is 47672587. The reversal of 47672581 is 18527674.

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

It is a cyclic number.

It is not a de Polignac number, because 47672581 - 2²¹ = 45575429 is a prime.

It is a super-2 number, since 2×47672581² = 4545349958403122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47672587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11031 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (6508116).

Almost surely, 2^47672581 is an apocalyptic number.

It is an amenable number.

47672581 is a deficient number, since it is larger than the sum of its proper divisors (4392347).

47672581 is a wasteful number, since it uses less digits than its factorization.

47672581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883.

The product of its digits is 94080, while the sum is 40.

The square root of 47672581 is about 6904.5333658402. The cubic root of 47672581 is about 362.5958994789.

The spelling of 47672581 in words is "forty-seven million, six hundred seventy-two thousand, five hundred eighty-one".