47771506 has 16 divisors (see below), whose sum is σ = 75124224. Its totient is φ = 22739904.

The previous prime is 47771501. The next prime is 47771509. The reversal of 47771506 is 60517774.

It is not an unprimeable number, because it can be changed into a prime (47771501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7930 + ... + 12586.

It is an arithmetic number, because the mean of its divisors is an integer number (4695264).

Almost surely, 2^47771506 is an apocalyptic number.

47771506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47771506 is a deficient number, since it is larger than the sum of its proper divisors (27352718).

47771506 is a wasteful number, since it uses less digits than its factorization.

47771506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 47771506 is about 6911.6934249140. The cubic root of 47771506 is about 362.8465328347.

The spelling of 47771506 in words is "forty-seven million, seven hundred seventy-one thousand, five hundred six".