47227136 has 72 divisors (see below), whose sum is σ = 106353408. Its totient is φ = 20736000.

The previous prime is 47227129. The next prime is 47227153. The reversal of 47227136 is 63172274.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87026 + ... + 87566.

Almost surely, 2^47227136 is an apocalyptic number.

47227136 is the 3968-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47227136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53176704).

47227136 is an abundant number, since it is smaller than the sum of its proper divisors (59126272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47227136 is a wasteful number, since it uses less digits than its factorization.

47227136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 585 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 47227136 is about 6872.2002299118. The cubic root of 47227136 is about 361.4630175273.

The spelling of 47227136 in words is "forty-seven million, two hundred twenty-seven thousand, one hundred thirty-six".