6470378 has 4 divisors (see below), whose sum is σ = 9705570. Its totient is φ = 3235188.

The previous prime is 6470377. The next prime is 6470411. The reversal of 6470378 is 8730746.

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., 6416089 + 54289 = 2533^2 + 233^2 .

It is not an unprimeable number, because it can be changed into a prime (6470371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617593 + ... + 1617596.

Almost surely, 2^6470378 is an apocalyptic number.

6470378 is a deficient number, since it is larger than the sum of its proper divisors (3235192).

6470378 is a wasteful number, since it uses less digits than its factorization.

6470378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235191.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6470378 is about 2543.6937708773. The cubic root of 6470378 is about 186.3416275129.

The spelling of 6470378 in words is "six million, four hundred seventy thousand, three hundred seventy-eight".