47344540 has 48 divisors (see below), whose sum is σ = 102118464. Its totient is φ = 18432000.

The previous prime is 47344519. The next prime is 47344543. The reversal of 47344540 is 4544374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47344543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184092 + ... + 184348.

It is an arithmetic number, because the mean of its divisors is an integer number (2127468).

Almost surely, 2^47344540 is an apocalyptic number.

It is an amenable number.

47344540 is an abundant number, since it is smaller than the sum of its proper divisors (54773924).

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

47344540 is a wasteful number, since it uses less digits than its factorization.

47344540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 47344540 is about 6880.7368791431. The cubic root of 47344540 is about 361.7622952356.

The spelling of 47344540 in words is "forty-seven million, three hundred forty-four thousand, five hundred forty".