47390880 has 48 divisors (see below), whose sum is σ = 149282784. Its totient is φ = 12637440.

The previous prime is 47390873. The next prime is 47390881. The reversal of 47390880 is 8809374.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (47390881) 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, 48886 + ... + 49845.

It is an arithmetic number, because the mean of its divisors is an integer number (3110058).

Almost surely, 2^47390880 is an apocalyptic number.

47390880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47390880 is an abundant number, since it is smaller than the sum of its proper divisors (101891904).

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

47390880 is a wasteful number, since it uses less digits than its factorization.

47390880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98749 (or 98741 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47390880 is about 6884.1034274624. The cubic root of 47390880 is about 361.8802855979.

The spelling of 47390880 in words is "forty-seven million, three hundred ninety thousand, eight hundred eighty".