47234547 has 6 divisors (see below), whose sum is σ = 68227692. Its totient is φ = 31489692.

The previous prime is 47234543. The next prime is 47234567. The reversal of 47234547 is 74543274.

It is not a de Polignac number, because 47234547 - 2² = 47234543 is a prime.

It is a super-2 number, since 2×47234547² = 4462204860590418, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (47234543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2624133 + ... + 2624150.

It is an arithmetic number, because the mean of its divisors is an integer number (11371282).

Almost surely, 2^47234547 is an apocalyptic number.

47234547 is a deficient number, since it is larger than the sum of its proper divisors (20993145).

47234547 is a wasteful number, since it uses less digits than its factorization.

47234547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248289 (or 5248286 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 47234547 is about 6872.7394101624. The cubic root of 47234547 is about 361.4819237646.

The spelling of 47234547 in words is "forty-seven million, two hundred thirty-four thousand, five hundred forty-seven".