47651408 has 80 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 18536448.

The previous prime is 47651341. The next prime is 47651447. The reversal of 47651408 is 80415674.

47651408 = 2³ + 3³ + ... + 117³.

It is a Cunningham number, because it is equal to 6903²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54785 + ... + 55647.

It is an arithmetic number, because the mean of its divisors is an integer number (1446336).

Almost surely, 2^47651408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47651408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57853440).

47651408 is an abundant number, since it is smaller than the sum of its proper divisors (68055472).

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

47651408 is a wasteful number, since it uses less digits than its factorization.

47651408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 47651408 is about 6902.9999275677. Note that the first 4 decimals coincide. The cubic root of 47651408 is about 362.5422111765.

The spelling of 47651408 in words is "forty-seven million, six hundred fifty-one thousand, four hundred eight".