47758740 has 24 divisors (see below), whose sum is σ = 133724640. Its totient is φ = 12735648.

The previous prime is 47758687. The next prime is 47758747. The reversal of 47758740 is 4785774.

It is a junction number, because it is equal to n+sod(n) for n = 47758692 and 47758701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47758747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397930 + ... + 398049.

It is an arithmetic number, because the mean of its divisors is an integer number (5571860).

Almost surely, 2^47758740 is an apocalyptic number.

It is an amenable number.

47758740 is an abundant number, since it is smaller than the sum of its proper divisors (85965900).

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

47758740 is a wasteful number, since it uses less digits than its factorization.

47758740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795991 (or 795989 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 47758740 is about 6910.7698558120. The cubic root of 47758740 is about 362.8142087438.

The spelling of 47758740 in words is "forty-seven million, seven hundred fifty-eight thousand, seven hundred forty".