47770140 has 48 divisors (see below), whose sum is σ = 145918080. Its totient is φ = 11580480.

The previous prime is 47770139. The next prime is 47770141. The reversal of 47770140 is 4107774.

47770140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47770139) and next prime (47770141).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47770098 and 47770107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47770141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35530 + ... + 36849.

It is an arithmetic number, because the mean of its divisors is an integer number (3039960).

Almost surely, 2^47770140 is an apocalyptic number.

It is an amenable number.

47770140 is an abundant number, since it is smaller than the sum of its proper divisors (98147940).

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

47770140 is a wasteful number, since it uses less digits than its factorization.

47770140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72402 (or 72400 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 47770140 is about 6911.5946061672. The cubic root of 47770140 is about 362.8430743359.

The spelling of 47770140 in words is "forty-seven million, seven hundred seventy thousand, one hundred forty".