47457280 has 176 divisors, whose sum is σ = 132056064. Its totient is φ = 16220160.

The previous prime is 47457271. The next prime is 47457281. The reversal of 47457280 is 8275474.

It is not an unprimeable number, because it can be changed into a prime (47457281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530865 + ... + 1530895.

Almost surely, 2^47457280 is an apocalyptic number.

47457280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47457280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66028032).

47457280 is an abundant number, since it is smaller than the sum of its proper divisors (84598784).

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

47457280 is a wasteful number, since it uses less digits than its factorization.

47457280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 47457280 is about 6888.9244443527. The cubic root of 47457280 is about 362.0492185044.

The spelling of 47457280 in words is "forty-seven million, four hundred fifty-seven thousand, two hundred eighty".