7138734 has 8 divisors (see below), whose sum is σ = 14277480. Its totient is φ = 2379576.

The previous prime is 7138723. The next prime is 7138741. The reversal of 7138734 is 4378317.

It is a sphenic number, since it is the product of 3 distinct primes.

7138734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7138695 and 7138704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594889 + ... + 594900.

It is an arithmetic number, because the mean of its divisors is an integer number (1784685).

Almost surely, 2^7138734 is an apocalyptic number.

7138734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7138734 is a wasteful number, since it uses less digits than its factorization.

7138734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189794.

The product of its digits is 14112, while the sum is 33.

The square root of 7138734 is about 2671.8409383794. The cubic root of 7138734 is about 192.5486153707.

The spelling of 7138734 in words is "seven million, one hundred thirty-eight thousand, seven hundred thirty-four".