7138733 has 4 divisors (see below), whose sum is σ = 8158560. Its totient is φ = 6118908.

The previous prime is 7138723. The next prime is 7138741. The reversal of 7138733 is 3378317.

It is a happy number.

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 cyclic number.

It is not a de Polignac number, because 7138733 - 2²² = 2944429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7138733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138723) 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, 509903 + ... + 509916.

It is an arithmetic number, because the mean of its divisors is an integer number (2039640).

Almost surely, 2^7138733 is an apocalyptic number.

It is an amenable number.

7138733 is a deficient number, since it is larger than the sum of its proper divisors (1019827).

7138733 is a wasteful number, since it uses less digits than its factorization.

7138733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019826.

The product of its digits is 10584, while the sum is 32.

The square root of 7138733 is about 2671.8407512425. The cubic root of 7138733 is about 192.5486063799.

The spelling of 7138733 in words is "seven million, one hundred thirty-eight thousand, seven hundred thirty-three".