47324778 has 16 divisors (see below), whose sum is σ = 94717056. Its totient is φ = 15763680.

The previous prime is 47324773. The next prime is 47324779. The reversal of 47324778 is 87742374.

47324778 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 2×47324778² = 4479269225498568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47324773) 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 7 ways as a sum of consecutive naturals, for example, 14550 + ... + 17502.

It is an arithmetic number, because the mean of its divisors is an integer number (5919816).

Almost surely, 2^47324778 is an apocalyptic number.

47324778 is an abundant number, since it is smaller than the sum of its proper divisors (47392278).

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

47324778 is a wasteful number, since it uses less digits than its factorization.

47324778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629.

The product of its digits is 263424, while the sum is 42.

The square root of 47324778 is about 6879.3006912040. The cubic root of 47324778 is about 361.7119540459.

The spelling of 47324778 in words is "forty-seven million, three hundred twenty-four thousand, seven hundred seventy-eight".