47427272 has 32 divisors (see below), whose sum is σ = 92352000. Its totient is φ = 22833360.

The previous prime is 47427271. The next prime is 47427293. The reversal of 47427272 is 27272474.

It is a super-2 number, since 2×47427272² = 4498692258723968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47427271) 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, 238229 + ... + 238427.

It is an arithmetic number, because the mean of its divisors is an integer number (2886000).

Almost surely, 2^47427272 is an apocalyptic number.

It is an amenable number.

47427272 is a deficient number, since it is larger than the sum of its proper divisors (44924728).

47427272 is an equidigital number, since it uses as much as digits as its factorization.

47427272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 232 counting only the distinct ones).

The product of its digits is 43904, while the sum is 35.

The square root of 47427272 is about 6886.7461111907. The cubic root of 47427272 is about 361.9728925705.

The spelling of 47427272 in words is "forty-seven million, four hundred twenty-seven thousand, two hundred seventy-two".