47639430 has 24 divisors (see below), whose sum is σ = 123862752. Its totient is φ = 12703824.

The previous prime is 47639429. The next prime is 47639437. The reversal of 47639430 is 3493674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47639437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264574 + ... + 264753.

It is an arithmetic number, because the mean of its divisors is an integer number (5160948).

Almost surely, 2^47639430 is an apocalyptic number.

47639430 is an abundant number, since it is smaller than the sum of its proper divisors (76223322).

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

47639430 is a wasteful number, since it uses less digits than its factorization.

47639430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529340 (or 529337 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 47639430 is about 6902.1322792308. The cubic root of 47639430 is about 362.5118315599.

The spelling of 47639430 in words is "forty-seven million, six hundred thirty-nine thousand, four hundred thirty".