47329440 has 96 divisors (see below), whose sum is σ = 150304896. Its totient is φ = 12518400.

The previous prime is 47329439. The next prime is 47329441. The reversal of 47329440 is 4492374.

It is an interprime number because it is at equal distance from previous prime (47329439) and next prime (47329441).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (47329441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72154 + ... + 72806.

It is an arithmetic number, because the mean of its divisors is an integer number (1565676).

Almost surely, 2^47329440 is an apocalyptic number.

47329440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47329440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75152448).

47329440 is an abundant number, since it is smaller than the sum of its proper divisors (102975456).

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

47329440 is a wasteful number, since it uses less digits than its factorization.

47329440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 47329440 is about 6879.6395254403. The cubic root of 47329440 is about 361.7238311628.

The spelling of 47329440 in words is "forty-seven million, three hundred twenty-nine thousand, four hundred forty".