676067421 has 8 divisors (see below), whose sum is σ = 905696224. Its totient is φ = 448575120.

The previous prime is 676067393. The next prime is 676067429. The reversal of 676067421 is 124760676.

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

It is not a de Polignac number, because 676067421 - 2⁵ = 676067389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676067421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676067429) 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, 533386 + ... + 534651.

It is an arithmetic number, because the mean of its divisors is an integer number (113212028).

Almost surely, 2^676067421 is an apocalyptic number.

It is an amenable number.

676067421 is a deficient number, since it is larger than the sum of its proper divisors (229628803).

676067421 is a wasteful number, since it uses less digits than its factorization.

676067421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068251.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 676067421 is about 26001.2965253658. The cubic root of 676067421 is about 877.6674717087.

The spelling of 676067421 in words is "six hundred seventy-six million, sixty-seven thousand, four hundred twenty-one".