7301138 has 12 divisors (see below), whose sum is σ = 11859498. Its totient is φ = 3369600.

The previous prime is 7301137. The next prime is 7301159. The reversal of 7301138 is 8311037.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5276209 + 2024929 = 2297^2 + 1423^2 .

It is not an unprimeable number, because it can be changed into a prime (7301131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10463 + ... + 11138.

Almost surely, 2^7301138 is an apocalyptic number.

7301138 is a deficient number, since it is larger than the sum of its proper divisors (4558360).

7301138 is a wasteful number, since it uses less digits than its factorization.

7301138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21629 (or 21616 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7301138 is about 2702.0618053627. The cubic root of 7301138 is about 193.9978212105.

The spelling of 7301138 in words is "seven million, three hundred one thousand, one hundred thirty-eight".