47206631 has 4 divisors (see below), whose sum is σ = 47223264. Its totient is φ = 47190000.

The previous prime is 47206597. The next prime is 47206657. The reversal of 47206631 is 13660274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47206631 - 2⁶ = 47206567 is a prime.

It is a super-2 number, since 2×47206631² = 4456932020740322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47206594 and 47206603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47206661) 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, 2870 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (11805816).

Almost surely, 2^47206631 is an apocalyptic number.

47206631 is a deficient number, since it is larger than the sum of its proper divisors (16633).

47206631 is a wasteful number, since it uses less digits than its factorization.

47206631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16632.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 47206631 is about 6870.7081876616. The cubic root of 47206631 is about 361.4106968155.

The spelling of 47206631 in words is "forty-seven million, two hundred six thousand, six hundred thirty-one".