47720750 has 128 divisors (see below), whose sum is σ = 116093952. Its totient is φ = 14256000.

The previous prime is 47720741. The next prime is 47720753. The reversal of 47720750 is 5702774.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47720753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 712217 + ... + 712283.

It is an arithmetic number, because the mean of its divisors is an integer number (906984).

Almost surely, 2^47720750 is an apocalyptic number.

47720750 is an abundant number, since it is smaller than the sum of its proper divisors (68373202).

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

47720750 is a wasteful number, since it uses less digits than its factorization.

47720750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 47720750 is about 6908.0207006059. The cubic root of 47720750 is about 362.7179822515.

The spelling of 47720750 in words is "forty-seven million, seven hundred twenty thousand, seven hundred fifty".