6419972 has 18 divisors (see below), whose sum is σ = 12166938. Its totient is φ = 2962752.

The previous prime is 6419971. The next prime is 6419983. The reversal of 6419972 is 2799146.

It can be written as a sum of positive squares in 3 ways, for example, as 495616 + 5924356 = 704^2 + 2434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6419971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4073 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (675941).

Almost surely, 2^6419972 is an apocalyptic number.

It is an amenable number.

6419972 is a deficient number, since it is larger than the sum of its proper divisors (5746966).

6419972 is a wasteful number, since it uses less digits than its factorization.

6419972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527 (or 9512 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 6419972 is about 2533.7663664987. The cubic root of 6419972 is about 185.8564815733.

The spelling of 6419972 in words is "six million, four hundred nineteen thousand, nine hundred seventy-two".