682420407 has 8 divisors (see below), whose sum is σ = 921411840. Its totient is φ = 449187960.

The previous prime is 682420381. The next prime is 682420463. The reversal of 682420407 is 704024286.

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

It is not a de Polignac number, because 682420407 - 2¹⁵ = 682387639 is a prime.

It is a super-2 number, since 2×682420407² = 931395223780091298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682420507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439469 + ... + 1439942.

It is an arithmetic number, because the mean of its divisors is an integer number (115176480).

Almost surely, 2^682420407 is an apocalyptic number.

682420407 is a deficient number, since it is larger than the sum of its proper divisors (238991433).

682420407 is a wasteful number, since it uses less digits than its factorization.

682420407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879493.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 682420407 is about 26123.1775823693. The cubic root of 682420407 is about 880.4080438071.

The spelling of 682420407 in words is "six hundred eighty-two million, four hundred twenty thousand, four hundred seven".