47314640 has 40 divisors (see below), whose sum is σ = 110567328. Its totient is φ = 18829440.

The previous prime is 47314639. The next prime is 47314643. The reversal of 47314640 is 4641374.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47314643) 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, 15479 + ... + 18281.

Almost surely, 2^47314640 is an apocalyptic number.

47314640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47314640 is an abundant number, since it is smaller than the sum of its proper divisors (63252688).

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

47314640 is a wasteful number, since it uses less digits than its factorization.

47314640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 47314640 is about 6878.5638035857. The cubic root of 47314640 is about 361.6861233371.

The spelling of 47314640 in words is "forty-seven million, three hundred fourteen thousand, six hundred forty".