6972429 has 4 divisors (see below), whose sum is σ = 9296576. Its totient is φ = 4648284.

The previous prime is 6972401. The next prime is 6972451. The reversal of 6972429 is 9242796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6972429 is a prime.

It is a super-2 number, since 2×6972429² = 97229532320082, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 9⁵ + 7⁵ + 2⁵ + 4⁷ + 2²¹ + 9⁷ .

It is a D-number.

It is a Duffinian number.

6972429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6972029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162069 + ... + 1162074.

It is an arithmetic number, because the mean of its divisors is an integer number (2324144).

Almost surely, 2^6972429 is an apocalyptic number.

It is an amenable number.

6972429 is a deficient number, since it is larger than the sum of its proper divisors (2324147).

6972429 is a wasteful number, since it uses less digits than its factorization.

6972429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324146.

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

The square root of 6972429 is about 2640.5357410950. The cubic root of 6972429 is about 191.0416381723.

The spelling of 6972429 in words is "six million, nine hundred seventy-two thousand, four hundred twenty-nine".