47256380 has 12 divisors (see below), whose sum is σ = 99238440. Its totient is φ = 18902544.

The previous prime is 47256371. The next prime is 47256397. The reversal of 47256380 is 8365274.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47256380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181390 + ... + 1181429.

It is an arithmetic number, because the mean of its divisors is an integer number (8269870).

Almost surely, 2^47256380 is an apocalyptic number.

It is an amenable number.

47256380 is an abundant number, since it is smaller than the sum of its proper divisors (51982060).

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

47256380 is a wasteful number, since it uses less digits than its factorization.

47256380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362828 (or 2362826 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 47256380 is about 6874.3276034824. The cubic root of 47256380 is about 361.5376105423.

The spelling of 47256380 in words is "forty-seven million, two hundred fifty-six thousand, three hundred eighty".