47424546 has 48 divisors (see below), whose sum is σ = 111154680. Its totient is φ = 14526720.

The previous prime is 47424529. The next prime is 47424583. The reversal of 47424546 is 64542474.

It can be written as a sum of positive squares in 4 ways, for example, as 21261321 + 26163225 = 4611^2 + 5115^2 .

It is a super-2 number, since 2×47424546² = 4498175126612232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47424546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90766 + ... + 91286.

Almost surely, 2^47424546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47424546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55577340).

47424546 is an abundant number, since it is smaller than the sum of its proper divisors (63730134).

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

47424546 is a wasteful number, since it uses less digits than its factorization.

47424546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 47424546 is about 6886.5481919464. The cubic root of 47424546 is about 361.9659573412.

The spelling of 47424546 in words is "forty-seven million, four hundred twenty-four thousand, five hundred forty-six".