47433840 has 40 divisors (see below), whose sum is σ = 147045648. Its totient is φ = 12648960.

The previous prime is 47433833. The next prime is 47433847. The reversal of 47433840 is 4833474.

It is an interprime number because it is at equal distance from previous prime (47433833) and next prime (47433847).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47433847) 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, 98581 + ... + 99060.

Almost surely, 2^47433840 is an apocalyptic number.

47433840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47433840 is an abundant number, since it is smaller than the sum of its proper divisors (99611808).

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

47433840 is a wasteful number, since it uses less digits than its factorization.

47433840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197657 (or 197651 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 47433840 is about 6887.2229526856. Note that the first 3 decimals coincide. The cubic root of 47433840 is about 361.9896011583.

The spelling of 47433840 in words is "forty-seven million, four hundred thirty-three thousand, eight hundred forty".