7146605437 has 4 divisors (see below), whose sum is σ = 7146812860. Its totient is φ = 7146398016.

The previous prime is 7146605399. The next prime is 7146605449. The reversal of 7146605437 is 7345066417.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3905125081 + 3241480356 = 62491^2 + 56934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7146605437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7146605393 and 7146605402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7146608437) 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, 38262 + ... + 125527.

It is an arithmetic number, because the mean of its divisors is an integer number (1786703215).

Almost surely, 2^7146605437 is an apocalyptic number.

It is an amenable number.

7146605437 is a deficient number, since it is larger than the sum of its proper divisors (207423).

7146605437 is a wasteful number, since it uses less digits than its factorization.

7146605437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207422.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 7146605437 is about 84537.5977716424. The cubic root of 7146605437 is about 1926.1935982721.

The spelling of 7146605437 in words is "seven billion, one hundred forty-six million, six hundred five thousand, four hundred thirty-seven".