47516640 has 48 divisors (see below), whose sum is σ = 149678928. Its totient is φ = 12670976.

The previous prime is 47516639. The next prime is 47516641. The reversal of 47516640 is 4661574.

It is an interprime number because it is at equal distance from previous prime (47516639) and next prime (47516641).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47516641) 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, 49017 + ... + 49976.

It is an arithmetic number, because the mean of its divisors is an integer number (3118311).

Almost surely, 2^47516640 is an apocalyptic number.

47516640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47516640 is an abundant number, since it is smaller than the sum of its proper divisors (102162288).

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

47516640 is a wasteful number, since it uses less digits than its factorization.

47516640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99011 (or 99003 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47516640 is about 6893.2314628192. The cubic root of 47516640 is about 362.2001071026.

The spelling of 47516640 in words is "forty-seven million, five hundred sixteen thousand, six hundred forty".