6402475 has 12 divisors (see below), whose sum is σ = 8213760. Its totient is φ = 4944800.

The previous prime is 6402457. The next prime is 6402493. The reversal of 6402475 is 5742046.

It is an interprime number because it is at equal distance from previous prime (6402457) and next prime (6402493).

It is not a de Polignac number, because 6402475 - 2⁹ = 6401963 is a prime.

It is a super-2 number, since 2×6402475² = 81983372251250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3691 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (684480).

Almost surely, 2^6402475 is an apocalyptic number.

6402475 is a deficient number, since it is larger than the sum of its proper divisors (1811285).

6402475 is a wasteful number, since it uses less digits than its factorization.

6402475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870 (or 8865 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 6402475 is about 2530.3112456771. The cubic root of 6402475 is about 185.6874834525.

The spelling of 6402475 in words is "six million, four hundred two thousand, four hundred seventy-five".