7606537538 has 4 divisors (see below), whose sum is σ = 11409806310. Its totient is φ = 3803268768.

The previous prime is 7606537531. The next prime is 7606537541. The reversal of 7606537538 is 8357356067.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5816655289 + 1789882249 = 76267^2 + 42307^2 .

It is not an unprimeable number, because it can be changed into a prime (7606537531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1901634383 + ... + 1901634386.

Almost surely, 2^7606537538 is an apocalyptic number.

7606537538 is a deficient number, since it is larger than the sum of its proper divisors (3803268772).

7606537538 is a wasteful number, since it uses less digits than its factorization.

7606537538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803268771.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The square root of 7606537538 is about 87215.4661628315. The cubic root of 7606537538 is about 1966.6587299817.

The spelling of 7606537538 in words is "seven billion, six hundred six million, five hundred thirty-seven thousand, five hundred thirty-eight".