5781420 has 36 divisors (see below), whose sum is σ = 17537520. Its totient is φ = 1541664.

The previous prime is 5781409. The next prime is 5781431. The reversal of 5781420 is 241875.

5781420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5781409) and next prime (5781431).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15880 + ... + 16239.

Almost surely, 2^5781420 is an apocalyptic number.

It is an amenable number.

5781420 is an abundant number, since it is smaller than the sum of its proper divisors (11756100).

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

5781420 is a wasteful number, since it uses less digits than its factorization.

5781420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32134 (or 32129 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5781420 is about 2404.4583589657. The cubic root of 5781420 is about 179.4781179762.

The spelling of 5781420 in words is "five million, seven hundred eighty-one thousand, four hundred twenty".