47769408 has 84 divisors (see below), whose sum is σ = 137891520. Its totient is φ = 15810816.

The previous prime is 47769391. The next prime is 47769433. The reversal of 47769408 is 80496774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137491 + ... + 137837.

Almost surely, 2^47769408 is an apocalyptic number.

47769408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47769408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68945760).

47769408 is an abundant number, since it is smaller than the sum of its proper divisors (90122112).

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

47769408 is a wasteful number, since it uses less digits than its factorization.

47769408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 47769408 is about 6911.5416514697. The cubic root of 47769408 is about 362.8412209991.

Adding to 47769408 its product of nonzero digits (338688), we get a square (48108096 = 6936²).

The spelling of 47769408 in words is "forty-seven million, seven hundred sixty-nine thousand, four hundred eight".