47102772 has 24 divisors (see below), whose sum is σ = 110017600. Its totient is φ = 15685056.

The previous prime is 47102771. The next prime is 47102819. The reversal of 47102772 is 27720174.

It is a super-2 number, since 2×47102772² = 4437342260167968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47102771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21504 + ... + 23592.

Almost surely, 2^47102772 is an apocalyptic number.

It is an amenable number.

47102772 is an abundant number, since it is smaller than the sum of its proper divisors (62914828).

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

47102772 is a wasteful number, since it uses less digits than its factorization.

47102772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3973 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 47102772 is about 6863.1459258856. The cubic root of 47102772 is about 361.1454564326.

It can be divided in two parts, 47102 and 772, that added together give a palindrome (47874).

The spelling of 47102772 in words is "forty-seven million, one hundred two thousand, seven hundred seventy-two".