47012280 has 64 divisors (see below), whose sum is σ = 161187840. Its totient is φ = 10745472.

The previous prime is 47012257. The next prime is 47012309. The reversal of 47012280 is 8221074.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 47012280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27144 + ... + 28823.

It is an arithmetic number, because the mean of its divisors is an integer number (2518560).

Almost surely, 2^47012280 is an apocalyptic number.

47012280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47012280 is an abundant number, since it is smaller than the sum of its proper divisors (114175560).

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

47012280 is a wasteful number, since it uses less digits than its factorization.

47012280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55988 (or 55984 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 47012280 is about 6856.5501529559. The cubic root of 47012280 is about 360.9140353367.

The spelling of 47012280 in words is "forty-seven million, twelve thousand, two hundred eighty".