47273620 has 12 divisors (see below), whose sum is σ = 99274644. Its totient is φ = 18909440.

The previous prime is 47273581. The next prime is 47273623. The reversal of 47273620 is 2637274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 40398736 = 2622^2 + 6356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47273623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181821 + ... + 1181860.

It is an arithmetic number, because the mean of its divisors is an integer number (8272887).

Almost surely, 2^47273620 is an apocalyptic number.

It is an amenable number.

47273620 is an abundant number, since it is smaller than the sum of its proper divisors (52001024).

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

47273620 is a wasteful number, since it uses less digits than its factorization.

47273620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363690 (or 2363688 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 47273620 is about 6875.5814299592. The cubic root of 47273620 is about 361.5815703956.

The spelling of 47273620 in words is "forty-seven million, two hundred seventy-three thousand, six hundred twenty".