47769642 has 32 divisors (see below), whose sum is σ = 108164160. Its totient is φ = 15621840.

The previous prime is 47769619. The next prime is 47769661. The reversal of 47769642 is 24696774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5484 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (3380130).

Almost surely, 2^47769642 is an apocalyptic number.

47769642 is an abundant number, since it is smaller than the sum of its proper divisors (60394518).

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

47769642 is a wasteful number, since it uses less digits than its factorization.

47769642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16755 (or 16749 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 47769642 is about 6911.5585796548. The cubic root of 47769642 is about 362.8418134613.

The spelling of 47769642 in words is "forty-seven million, seven hundred sixty-nine thousand, six hundred forty-two".