47342940 has 48 divisors (see below), whose sum is σ = 133062048. Its totient is φ = 12577024.

The previous prime is 47342929. The next prime is 47342941. The reversal of 47342940 is 4924374.

47342940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47342941) 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 15 ways as a sum of consecutive naturals, for example, 16234 + ... + 18926.

It is an arithmetic number, because the mean of its divisors is an integer number (2772126).

Almost surely, 2^47342940 is an apocalyptic number.

It is an amenable number.

47342940 is an abundant number, since it is smaller than the sum of its proper divisors (85719108).

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

47342940 is a wasteful number, since it uses less digits than its factorization.

47342940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 47342940 is about 6880.6206115437. The cubic root of 47342940 is about 361.7582199597.

The spelling of 47342940 in words is "forty-seven million, three hundred forty-two thousand, nine hundred forty".