47641854 has 128 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 12441600.

The previous prime is 47641849. The next prime is 47641883. The reversal of 47641854 is 45814674.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 780984 + ... + 781044.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^47641854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47641854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

47641854 is an abundant number, since it is smaller than the sum of its proper divisors (72350466).

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

47641854 is a wasteful number, since it uses less digits than its factorization.

47641854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its digits is 107520, while the sum is 39.

The square root of 47641854 is about 6902.3078749068. The cubic root of 47641854 is about 362.5179799247.

The spelling of 47641854 in words is "forty-seven million, six hundred forty-one thousand, eight hundred fifty-four".