6429972 has 24 divisors (see below), whose sum is σ = 15656256. Its totient is φ = 2050048.

The previous prime is 6429953. The next prime is 6429977. The reversal of 6429972 is 2799246.

It is a self number, because there is not a number n which added to its sum of digits gives 6429972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11373 + ... + 11924.

It is an arithmetic number, because the mean of its divisors is an integer number (652344).

Almost surely, 2^6429972 is an apocalyptic number.

It is an amenable number.

6429972 is an abundant number, since it is smaller than the sum of its proper divisors (9226284).

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

6429972 is a wasteful number, since it uses less digits than its factorization.

6429972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23327 (or 23325 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 6429972 is about 2535.7389455541. The cubic root of 6429972 is about 185.9529306263.

The spelling of 6429972 in words is "six million, four hundred twenty-nine thousand, nine hundred seventy-two".