47412547 has 28 divisors (see below), whose sum is σ = 61491136. Its totient is φ = 36303120.

The previous prime is 47412539. The next prime is 47412557. The reversal of 47412547 is 74521474.

It is a happy number.

It is not a de Polignac number, because 47412547 - 2³ = 47412539 is a prime.

It is a super-2 number, since 2×47412547² = 4495899226054418, 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 (47412517) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1529422 + ... + 1529452.

It is an arithmetic number, because the mean of its divisors is an integer number (2196112).

Almost surely, 2^47412547 is an apocalyptic number.

47412547 is a deficient number, since it is larger than the sum of its proper divisors (14078589).

47412547 is an frugal number, since it uses more digits than its factorization.

47412547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 51 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 47412547 is about 6885.6769456605. The cubic root of 47412547 is about 361.9354274698.

The spelling of 47412547 in words is "forty-seven million, four hundred twelve thousand, five hundred forty-seven".