421080670 has 8 divisors (see below), whose sum is σ = 757945224. Its totient is φ = 168432264.

The previous prime is 421080637. The next prime is 421080677. The reversal of 421080670 is 76080124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421080677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21054024 + ... + 21054043.

It is an arithmetic number, because the mean of its divisors is an integer number (94743153).

Almost surely, 2^421080670 is an apocalyptic number.

421080670 is a deficient number, since it is larger than the sum of its proper divisors (336864554).

421080670 is a wasteful number, since it uses less digits than its factorization.

421080670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42108074.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 421080670 is about 20520.2502421389. The cubic root of 421080670 is about 749.5289901875.

The spelling of 421080670 in words is "four hundred twenty-one million, eighty thousand, six hundred seventy".