70484421 has 16 divisors (see below), whose sum is σ = 110870528. Its totient is φ = 38977200.

The previous prime is 70484417. The next prime is 70484429. The reversal of 70484421 is 12448407.

It is not a de Polignac number, because 70484421 - 2² = 70484417 is a prime.

It is the 8396-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70484429) by changing a digit.

It is a nontrivial repunit in base 8395.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53485 + ... + 54786.

It is an arithmetic number, because the mean of its divisors is an integer number (6929408).

Almost surely, 2^70484421 is an apocalyptic number.

It is an amenable number.

70484421 is a deficient number, since it is larger than the sum of its proper divisors (40386107).

70484421 is a wasteful number, since it uses less digits than its factorization.

70484421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108312.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 70484421 is about 8395.5000446668. The cubic root of 70484421 is about 413.0770297218.

The spelling of 70484421 in words is "seventy million, four hundred eighty-four thousand, four hundred twenty-one".