5473749420 has 288 divisors, whose sum is σ = 18700718400. Its totient is φ = 1324560384.

The previous prime is 5473749419. The next prime is 5473749431. The reversal of 5473749420 is 249473745.

5473749420 is a `hidden beast` number, since 5 + 473 + 74 + 94 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7720026 + ... + 7720734.

It is an arithmetic number, because the mean of its divisors is an integer number (64933050).

Almost surely, 2^5473749420 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 5473749420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9350359200).

5473749420 is an abundant number, since it is smaller than the sum of its proper divisors (13226968980).

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

5473749420 is a wasteful number, since it uses less digits than its factorization.

5473749420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 5473749420 is about 73984.7918156157. The cubic root of 5473749420 is about 1762.3613942608.

The spelling of 5473749420 in words is "five billion, four hundred seventy-three million, seven hundred forty-nine thousand, four hundred twenty".