47103420 has 96 divisors (see below), whose sum is σ = 162344448. Its totient is φ = 9937152.

The previous prime is 47103409. The next prime is 47103431. The reversal of 47103420 is 2430174.

It is an interprime number because it is at equal distance from previous prime (47103409) and next prime (47103431).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (1691088).

Almost surely, 2^47103420 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 47103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81172224).

47103420 is an abundant number, since it is smaller than the sum of its proper divisors (115241028).

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

47103420 is a wasteful number, since it uses less digits than its factorization.

47103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659 (or 8657 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 47103420 is about 6863.1931343945. The cubic root of 47103420 is about 361.1471125360.

Adding to 47103420 its reverse (2430174), we get a palindrome (49533594).

The spelling of 47103420 in words is "forty-seven million, one hundred three thousand, four hundred twenty".