47619681 has 16 divisors (see below), whose sum is σ = 67491840. Its totient is φ = 29779920.

The previous prime is 47619659. The next prime is 47619721. The reversal of 47619681 is 18691674.

It is not a de Polignac number, because 47619681 - 2⁶ = 47619617 is a prime.

It is a super-2 number, since 2×47619681² = 4535268037083522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47619181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816 + ... + 9926.

It is an arithmetic number, because the mean of its divisors is an integer number (4218240).

Almost surely, 2^47619681 is an apocalyptic number.

It is an amenable number.

47619681 is a deficient number, since it is larger than the sum of its proper divisors (19872159).

47619681 is a wasteful number, since it uses less digits than its factorization.

47619681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236.

The product of its digits is 72576, while the sum is 42.

The square root of 47619681 is about 6900.7014860810. The cubic root of 47619681 is about 362.4617313545.

The spelling of 47619681 in words is "forty-seven million, six hundred nineteen thousand, six hundred eighty-one".