47426637 has 16 divisors (see below), whose sum is σ = 65313792. Its totient is φ = 30588480.

The previous prime is 47426633. The next prime is 47426647. The reversal of 47426637 is 73662474.

It is not a de Polignac number, because 47426637 - 2² = 47426633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47426595 and 47426604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47426633) 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, 20083 + ... + 22319.

It is an arithmetic number, because the mean of its divisors is an integer number (4082112).

Almost surely, 2^47426637 is an apocalyptic number.

It is an amenable number.

47426637 is a deficient number, since it is larger than the sum of its proper divisors (17887155).

47426637 is a wasteful number, since it uses less digits than its factorization.

47426637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468.

The product of its digits is 169344, while the sum is 39.

The square root of 47426637 is about 6886.7000079864. The cubic root of 47426637 is about 361.9712770878.

The spelling of 47426637 in words is "forty-seven million, four hundred twenty-six thousand, six hundred thirty-seven".