47749064 has 16 divisors (see below), whose sum is σ = 97668720. Its totient is φ = 21704080.

The previous prime is 47749061. The next prime is 47749087. The reversal of 47749064 is 46094774.

It is a happy number.

47749064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47749064² = 4559946225752192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47749061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271214 + ... + 271389.

It is an arithmetic number, because the mean of its divisors is an integer number (6104295).

Almost surely, 2^47749064 is an apocalyptic number.

47749064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47749064 is an abundant number, since it is smaller than the sum of its proper divisors (49919656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47749064 is a wasteful number, since it uses less digits than its factorization.

47749064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542620 (or 542616 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 47749064 is about 6910.0697536277. The cubic root of 47749064 is about 362.7897048352.

The spelling of 47749064 in words is "forty-seven million, seven hundred forty-nine thousand, sixty-four".