47774736 has 30 divisors (see below), whose sum is σ = 133703310. Its totient is φ = 15924864.

The previous prime is 47774729. The next prime is 47774747. The reversal of 47774736 is 63747774.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 1806336 = 6780^2 + 1344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47774691 and 47774700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165741 + ... + 166028.

It is an arithmetic number, because the mean of its divisors is an integer number (4456777).

Almost surely, 2^47774736 is an apocalyptic number.

It is an amenable number.

47774736 is an abundant number, since it is smaller than the sum of its proper divisors (85928574).

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

47774736 is a wasteful number, since it uses less digits than its factorization.

47774736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331783 (or 331774 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The square root of 47774736 is about 6911.9270829487. The cubic root of 47774736 is about 362.8547104284.

The spelling of 47774736 in words is "forty-seven million, seven hundred seventy-four thousand, seven hundred thirty-six".