6972390 has 24 divisors (see below), whose sum is σ = 18128448. Its totient is φ = 1859280.

The previous prime is 6972389. The next prime is 6972401. The reversal of 6972390 is 932796.

It is a super-2 number, since 2×6972390² = 97228444624200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38646 + ... + 38825.

It is an arithmetic number, because the mean of its divisors is an integer number (755352).

Almost surely, 2^6972390 is an apocalyptic number.

6972390 is an abundant number, since it is smaller than the sum of its proper divisors (11156058).

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

6972390 is a wasteful number, since it uses less digits than its factorization.

6972390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77484 (or 77481 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 6972390 is about 2640.5283562196. The cubic root of 6972390 is about 191.0412819771.

The spelling of 6972390 in words is "six million, nine hundred seventy-two thousand, three hundred ninety".