47491120 has 40 divisors (see below), whose sum is σ = 113117760. Its totient is φ = 18531840.

The previous prime is 47491117. The next prime is 47491121. The reversal of 47491120 is 2119474.

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

It is not an unprimeable number, because it can be changed into a prime (47491121) 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, 3960 + ... + 10519.

It is an arithmetic number, because the mean of its divisors is an integer number (2827944).

Almost surely, 2^47491120 is an apocalyptic number.

47491120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47491120 is an abundant number, since it is smaller than the sum of its proper divisors (65626640).

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

47491120 is a wasteful number, since it uses less digits than its factorization.

47491120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533 (or 14527 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 47491120 is about 6891.3801230233. The cubic root of 47491120 is about 362.1352526150.

The spelling of 47491120 in words is "forty-seven million, four hundred ninety-one thousand, one hundred twenty".