47272636 has 24 divisors (see below), whose sum is σ = 86565024. Its totient is φ = 22545600.

The previous prime is 47272633. The next prime is 47272657. The reversal of 47272636 is 63627274.

It is a happy number.

47272636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×47272636⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 47272595 and 47272604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47272633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64126 + ... + 64858.

It is an arithmetic number, because the mean of its divisors is an integer number (3606876).

Almost surely, 2^47272636 is an apocalyptic number.

47272636 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

47272636 is a deficient number, since it is larger than the sum of its proper divisors (39292388).

47272636 is a wasteful number, since it uses less digits than its factorization.

47272636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 47272636 is about 6875.5098720022. The cubic root of 47272636 is about 361.5790616057.

The spelling of 47272636 in words is "forty-seven million, two hundred seventy-two thousand, six hundred thirty-six".