47424428 has 6 divisors (see below), whose sum is σ = 82992756. Its totient is φ = 23712212.

The previous prime is 47424427. The next prime is 47424463. The reversal of 47424428 is 82442474.

It is a super-2 number, since 2×47424428² = 4498152742254368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47424427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928050 + ... + 5928057.

It is an arithmetic number, because the mean of its divisors is an integer number (13832126).

Almost surely, 2^47424428 is an apocalyptic number.

It is an amenable number.

47424428 is a deficient number, since it is larger than the sum of its proper divisors (35568328).

47424428 is a wasteful number, since it uses less digits than its factorization.

47424428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856111 (or 11856109 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 47424428 is about 6886.5396245139. The cubic root of 47424428 is about 361.9656571309.

The spelling of 47424428 in words is "forty-seven million, four hundred twenty-four thousand, four hundred twenty-eight".