47768534 has 16 divisors (see below), whose sum is σ = 78287040. Its totient is φ = 21679560.

The previous prime is 47768533. The next prime is 47768543. The reversal of 47768534 is 43586774.

It is a super-4 number, since 4×47768534⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47768531) 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, 18197 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (4892940).

Almost surely, 2^47768534 is an apocalyptic number.

47768534 is a deficient number, since it is larger than the sum of its proper divisors (30518506).

47768534 is a wasteful number, since it uses less digits than its factorization.

47768534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its digits is 564480, while the sum is 44.

The square root of 47768534 is about 6911.4784236081. The cubic root of 47768534 is about 362.8390081103.

The spelling of 47768534 in words is "forty-seven million, seven hundred sixty-eight thousand, five hundred thirty-four".