6407428670 has 8 divisors (see below), whose sum is σ = 11533371624. Its totient is φ = 2562971464.

The previous prime is 6407428661. The next prime is 6407428721. The reversal of 6407428670 is 768247046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6407428670² = 82110284322275937800, which contains 22 as substring.

It is a congruent number.

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, 320371424 + ... + 320371443.

It is an arithmetic number, because the mean of its divisors is an integer number (1441671453).

Almost surely, 2^6407428670 is an apocalyptic number.

6407428670 is a deficient number, since it is larger than the sum of its proper divisors (5125942954).

6407428670 is a wasteful number, since it uses less digits than its factorization.

6407428670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640742874.

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 6407428670 is about 80046.4157223795. The cubic root of 6407428670 is about 1857.3536063481.

The spelling of 6407428670 in words is "six billion, four hundred seven million, four hundred twenty-eight thousand, six hundred seventy".