7138746 has 16 divisors (see below), whose sum is σ = 15864000. Its totient is φ = 2379564.

The previous prime is 7138741. The next prime is 7138751. The reversal of 7138746 is 6478317.

It is an interprime number because it is at equal distance from previous prime (7138741) and next prime (7138751).

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

It is a self number, because there is not a number n which added to its sum of digits gives 7138746.

It is not an unprimeable number, because it can be changed into a prime (7138741) 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, 66046 + ... + 66153.

It is an arithmetic number, because the mean of its divisors is an integer number (991500).

Almost surely, 2^7138746 is an apocalyptic number.

7138746 is an abundant number, since it is smaller than the sum of its proper divisors (8725254).

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

7138746 is a wasteful number, since it uses less digits than its factorization.

7138746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132210 (or 132204 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 7138746 is about 2671.8431840211. The cubic root of 7138746 is about 192.5487232601.

The spelling of 7138746 in words is "seven million, one hundred thirty-eight thousand, seven hundred forty-six".