7973706 has 32 divisors (see below), whose sum is σ = 17313408. Its totient is φ = 2433600.

The previous prime is 7973701. The next prime is 7973723. The reversal of 7973706 is 6073797.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7973701) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11440 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (541044).

Almost surely, 2^7973706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7973706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8656704).

7973706 is an abundant number, since it is smaller than the sum of its proper divisors (9339702).

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

7973706 is a wasteful number, since it uses less digits than its factorization.

7973706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 7973706 is about 2823.7751326903. The cubic root of 7973706 is about 199.7806428335.

The spelling of 7973706 in words is "seven million, nine hundred seventy-three thousand, seven hundred six".