47912340 has 48 divisors (see below), whose sum is σ = 153320832. Its totient is φ = 10951296.

The previous prime is 47912311. The next prime is 47912351. The reversal of 47912340 is 4321974.

It is a happy number.

47912340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47912298 and 47912307.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56619 + ... + 57458.

It is an arithmetic number, because the mean of its divisors is an integer number (3194184).

Almost surely, 2^47912340 is an apocalyptic number.

It is an amenable number.

47912340 is an abundant number, since it is smaller than the sum of its proper divisors (105408492).

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

47912340 is a wasteful number, since it uses less digits than its factorization.

47912340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114096 (or 114094 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47912340 is about 6921.8740237020. The cubic root of 47912340 is about 363.2027493210.

The spelling of 47912340 in words is "forty-seven million, nine hundred twelve thousand, three hundred forty".