5721402 has 8 divisors (see below), whose sum is σ = 11442816. Its totient is φ = 1907132.

The previous prime is 5721389. The next prime is 5721409. The reversal of 5721402 is 2041275.

It is a sphenic number, since it is the product of 3 distinct primes.

5721402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5721409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476778 + ... + 476789.

It is an arithmetic number, because the mean of its divisors is an integer number (1430352).

Almost surely, 2^5721402 is an apocalyptic number.

5721402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5721402 is a wasteful number, since it uses less digits than its factorization.

5721402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953572.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 5721402 is about 2391.9452334868. The cubic root of 5721402 is about 178.8548910840.

Adding to 5721402 its reverse (2041275), we get a palindrome (7762677).

The spelling of 5721402 in words is "five million, seven hundred twenty-one thousand, four hundred two".