70603421 has 8 divisors (see below), whose sum is σ = 81100800. Its totient is φ = 60208848.

The previous prime is 70603391. The next prime is 70603439. The reversal of 70603421 is 12430607.

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

It is not a de Polignac number, because 70603421 - 2¹⁸ = 70341277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70603441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24221 + ... + 26978.

It is an arithmetic number, because the mean of its divisors is an integer number (10137600).

Almost surely, 2^70603421 is an apocalyptic number.

It is an amenable number.

70603421 is a deficient number, since it is larger than the sum of its proper divisors (10497379).

70603421 is a wasteful number, since it uses less digits than its factorization.

70603421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51403.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70603421 is about 8402.5841858324. The cubic root of 70603421 is about 413.3093672513.

The spelling of 70603421 in words is "seventy million, six hundred three thousand, four hundred twenty-one".