47758438 has 48 divisors (see below), whose sum is σ = 94515120. Its totient is φ = 17889984.

The previous prime is 47758427. The next prime is 47758463. The reversal of 47758438 is 83485774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23220 + ... + 25192.

It is an arithmetic number, because the mean of its divisors is an integer number (1969065).

Almost surely, 2^47758438 is an apocalyptic number.

47758438 is a deficient number, since it is larger than the sum of its proper divisors (46756682).

47758438 is a wasteful number, since it uses less digits than its factorization.

47758438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2014 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 47758438 is about 6910.7480058240. The cubic root of 47758438 is about 362.8134439964.

The spelling of 47758438 in words is "forty-seven million, seven hundred fifty-eight thousand, four hundred thirty-eight".