47002000 has 80 divisors (see below), whose sum is σ = 115599744. Its totient is φ = 18480000.

The previous prime is 47001973. The next prime is 47002003. The reversal of 47002000 is 20074.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (47002003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141835 + ... + 142165.

Almost surely, 2^47002000 is an apocalyptic number.

47002000 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 47002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57799872).

47002000 is an abundant number, since it is smaller than the sum of its proper divisors (68597744).

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

47002000 is a wasteful number, since it uses less digits than its factorization.

47002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 47002000 is about 6855.8004638408. The cubic root of 47002000 is about 360.8877268435.

Adding to 47002000 its reverse (20074), we get a palindrome (47022074).

The spelling of 47002000 in words is "forty-seven million, two thousand".