47003040 has 144 divisors (see below), whose sum is σ = 183351168. Its totient is φ = 10741248.

The previous prime is 47003039. The next prime is 47003041. The reversal of 47003040 is 4030074.

It is an interprime number because it is at equal distance from previous prime (47003039) and next prime (47003041).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (47003041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7749 + ... + 12411.

It is an arithmetic number, because the mean of its divisors is an integer number (1273272).

Almost surely, 2^47003040 is an apocalyptic number.

47003040 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 47003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91675584).

47003040 is an abundant number, since it is smaller than the sum of its proper divisors (136348128).

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

47003040 is a wasteful number, since it uses less digits than its factorization.

47003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 47003040 is about 6855.8763116031. The cubic root of 47003040 is about 360.8903885775.

The spelling of 47003040 in words is "forty-seven million, three thousand, forty".