47280807 has 32 divisors (see below), whose sum is σ = 80908800. Its totient is φ = 26728704.

The previous prime is 47280803. The next prime is 47280833. The reversal of 47280807 is 70808274.

It is not a de Polignac number, because 47280807 - 2² = 47280803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17044 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (2528400).

Almost surely, 2^47280807 is an apocalyptic number.

47280807 is a deficient number, since it is larger than the sum of its proper divisors (33627993).

47280807 is a wasteful number, since it uses less digits than its factorization.

47280807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 47280807 is about 6876.1040568043. The cubic root of 47280807 is about 361.5998931943.

The spelling of 47280807 in words is "forty-seven million, two hundred eighty thousand, eight hundred seven".