6370745 has 4 divisors (see below), whose sum is σ = 7644900. Its totient is φ = 5096592.

The previous prime is 6370739. The next prime is 6370769. The reversal of 6370745 is 5470736.

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 2262016 + 4108729 = 1504^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 6370745 - 2¹² = 6366649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637070 + ... + 637079.

It is an arithmetic number, because the mean of its divisors is an integer number (1911225).

Almost surely, 2^6370745 is an apocalyptic number.

It is an amenable number.

6370745 is a deficient number, since it is larger than the sum of its proper divisors (1274155).

6370745 is a wasteful number, since it uses less digits than its factorization.

6370745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274154.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 6370745 is about 2524.0334783834. The cubic root of 6370745 is about 185.3802260303.

Subtracting from 6370745 its reverse (5470736), we obtain a palindrome (900009).

It can be divided in two parts, 63707 and 45, that multiplied together give a triangular number (2866815 = T₂₃₉₄).

The spelling of 6370745 in words is "six million, three hundred seventy thousand, seven hundred forty-five".