47375778 has 16 divisors (see below), whose sum is σ = 99738720. Its totient is φ = 14960736.

The previous prime is 47375773. The next prime is 47375789. The reversal of 47375778 is 87757374.

It is a happy number.

47375778 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 2×47375778² = 4488928682210568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47375771) 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, 207675 + ... + 207902.

It is an arithmetic number, because the mean of its divisors is an integer number (6233670).

Almost surely, 2^47375778 is an apocalyptic number.

47375778 is an abundant number, since it is smaller than the sum of its proper divisors (52362942).

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

47375778 is a wasteful number, since it uses less digits than its factorization.

47375778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415601.

The product of its digits is 1152480, while the sum is 48.

The square root of 47375778 is about 6883.0064652011. The cubic root of 47375778 is about 361.8418415154.

The spelling of 47375778 in words is "forty-seven million, three hundred seventy-five thousand, seven hundred seventy-eight".