47742380 has 24 divisors (see below), whose sum is σ = 114582048. Its totient is φ = 16368768.

The previous prime is 47742377. The next prime is 47742403. The reversal of 47742380 is 8324774.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 47742380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170369 + ... + 170648.

It is an arithmetic number, because the mean of its divisors is an integer number (4774252).

Almost surely, 2^47742380 is an apocalyptic number.

It is an amenable number.

47742380 is an abundant number, since it is smaller than the sum of its proper divisors (66839668).

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

47742380 is a wasteful number, since it uses less digits than its factorization.

47742380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341033 (or 341031 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 47742380 is about 6909.5860946948. The cubic root of 47742380 is about 362.7727760598.

The spelling of 47742380 in words is "forty-seven million, seven hundred forty-two thousand, three hundred eighty".