47507240 has 32 divisors (see below), whose sum is σ = 116609760. Its totient is φ = 17275200.

The previous prime is 47507237. The next prime is 47507261. The reversal of 47507240 is 4270574.

47507240 = T₂₂₇ + T₂₂₈ + ... + T₆₆₆.

47507240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53546 + ... + 54425.

It is an arithmetic number, because the mean of its divisors is an integer number (3644055).

Almost surely, 2^47507240 is an apocalyptic number.

47507240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47507240 is an abundant number, since it is smaller than the sum of its proper divisors (69102520).

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

47507240 is a wasteful number, since it uses less digits than its factorization.

47507240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107993 (or 107989 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47507240 is about 6892.5496008371. The cubic root of 47507240 is about 362.1762213961.

The spelling of 47507240 in words is "forty-seven million, five hundred seven thousand, two hundred forty".