6624972 has 36 divisors (see below), whose sum is σ = 16864120. Its totient is φ = 2192832.

The previous prime is 6624971. The next prime is 6624973. The reversal of 6624972 is 2794266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6624971) and next prime (6624973).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6624971) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5304 + ... + 6432.

Almost surely, 2^6624972 is an apocalyptic number.

It is an amenable number.

6624972 is an abundant number, since it is smaller than the sum of its proper divisors (10239148).

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

6624972 is a wasteful number, since it uses less digits than its factorization.

6624972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1297 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6624972 is about 2573.9020960402. The cubic root of 6624972 is about 187.8140231170.

The spelling of 6624972 in words is "six million, six hundred twenty-four thousand, nine hundred seventy-two".