7142733 has 24 divisors (see below), whose sum is σ = 11389560. Its totient is φ = 4285440.

The previous prime is 7142713. The next prime is 7142743. The reversal of 7142733 is 3372417.

It can be written as a sum of positive squares in 4 ways, for example, as 393129 + 6749604 = 627^2 + 2598^2 .

It is not a de Polignac number, because 7142733 - 2¹⁰ = 7141709 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 1 + 4⁷ + 2 + 7⁸ + 3⁸ + 3¹² .

It is a junction number, because it is equal to n+sod(n) for n = 7142697 and 7142706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4053 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (474565).

Almost surely, 2^7142733 is an apocalyptic number.

It is an amenable number.

7142733 is a deficient number, since it is larger than the sum of its proper divisors (4246827).

7142733 is a wasteful number, since it uses less digits than its factorization.

7142733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1546 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 7142733 is about 2672.5891940214. The cubic root of 7142733 is about 192.5845628359.

It can be divided in two parts, 7142 and 733, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 7142733 in words is "seven million, one hundred forty-two thousand, seven hundred thirty-three".