47730340 has 24 divisors (see below), whose sum is σ = 114553152. Its totient is φ = 16364640.

The previous prime is 47730329. The next prime is 47730341. The reversal of 47730340 is 4303774.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 47730299 and 47730308.

It is not an unprimeable number, because it can be changed into a prime (47730341) 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, 170326 + ... + 170605.

It is an arithmetic number, because the mean of its divisors is an integer number (4773048).

Almost surely, 2^47730340 is an apocalyptic number.

It is an amenable number.

47730340 is an abundant number, since it is smaller than the sum of its proper divisors (66822812).

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

47730340 is a wasteful number, since it uses less digits than its factorization.

47730340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340947 (or 340945 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 47730340 is about 6908.7147864129. The cubic root of 47730340 is about 362.7422779891.

The spelling of 47730340 in words is "forty-seven million, seven hundred thirty thousand, three hundred forty".