47234940 has 48 divisors (see below), whose sum is σ = 135838752. Its totient is φ = 12254976.

The previous prime is 47234927. The next prime is 47234947. The reversal of 47234940 is 4943274.

It is a super-2 number, since 2×47234940² = 4462279113607200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47234947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8419 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (2829974).

Almost surely, 2^47234940 is an apocalyptic number.

It is an amenable number.

47234940 is an abundant number, since it is smaller than the sum of its proper divisors (88603812).

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

47234940 is a wasteful number, since it uses less digits than its factorization.

47234940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326 (or 21324 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 47234940 is about 6872.7680013223. The cubic root of 47234940 is about 361.4829262935.

The spelling of 47234940 in words is "forty-seven million, two hundred thirty-four thousand, nine hundred forty".