47507388 has 12 divisors (see below), whose sum is σ = 110850600. Its totient is φ = 15835792.

The previous prime is 47507381. The next prime is 47507393. The reversal of 47507388 is 88370574.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47507381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979463 + ... + 1979486.

It is an arithmetic number, because the mean of its divisors is an integer number (9237550).

Almost surely, 2^47507388 is an apocalyptic number.

It is an amenable number.

47507388 is an abundant number, since it is smaller than the sum of its proper divisors (63343212).

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

47507388 is a wasteful number, since it uses less digits than its factorization.

47507388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958956 (or 3958954 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 47507388 is about 6892.5603370591. The cubic root of 47507388 is about 362.1765974934.

It can be divided in two parts, 47507 and 388, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 47507388 in words is "forty-seven million, five hundred seven thousand, three hundred eighty-eight".