47772424 has 16 divisors (see below), whose sum is σ = 102369600. Its totient is φ = 20473872.

The previous prime is 47772409. The next prime is 47772433. The reversal of 47772424 is 42427774.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426484 + ... + 426595.

It is an arithmetic number, because the mean of its divisors is an integer number (6398100).

Almost surely, 2^47772424 is an apocalyptic number.

It is an amenable number.

47772424 is an abundant number, since it is smaller than the sum of its proper divisors (54597176).

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

47772424 is a wasteful number, since it uses less digits than its factorization.

47772424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853092 (or 853088 counting only the distinct ones).

The product of its digits is 87808, while the sum is 37.

The square root of 47772424 is about 6911.7598337905. The cubic root of 47772424 is about 362.8488570304.

The spelling of 47772424 in words is "forty-seven million, seven hundred seventy-two thousand, four hundred twenty-four".