47343440 has 40 divisors (see below), whose sum is σ = 115870560. Its totient is φ = 17940096.

The previous prime is 47343431. The next prime is 47343463. The reversal of 47343440 is 4434374.

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

It is a super-2 number, since 2×47343440² = 4482802622067200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14054 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (2896764).

Almost surely, 2^47343440 is an apocalyptic number.

47343440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47343440 is an abundant number, since it is smaller than the sum of its proper divisors (68527120).

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

47343440 is a wasteful number, since it uses less digits than its factorization.

47343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31179 (or 31173 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 47343440 is about 6880.6569453796. The cubic root of 47343440 is about 361.7594934933.

The spelling of 47343440 in words is "forty-seven million, three hundred forty-three thousand, four hundred forty".