47942480 has 20 divisors (see below), whose sum is σ = 111466452. Its totient is φ = 19176960.

The previous prime is 47942473. The next prime is 47942507. The reversal of 47942480 is 8424974.

47942480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 40500496 = 2728^2 + 6364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299561 + ... + 299720.

Almost surely, 2^47942480 is an apocalyptic number.

47942480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47942480 is an abundant number, since it is smaller than the sum of its proper divisors (63523972).

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

47942480 is a wasteful number, since it uses less digits than its factorization.

47942480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599294 (or 599288 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47942480 is about 6924.0508374795. The cubic root of 47942480 is about 363.2788927962.

The spelling of 47942480 in words is "forty-seven million, nine hundred forty-two thousand, four hundred eighty".