70420883 has 4 divisors (see below), whose sum is σ = 75837888. Its totient is φ = 65003880.

The previous prime is 70420841. The next prime is 70420907. The reversal of 70420883 is 38802407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38802407 = 7 ⋅5543201.

It is a cyclic number.

It is not a de Polignac number, because 70420883 - 2²⁰ = 69372307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75420883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2708483 + ... + 2708508.

It is an arithmetic number, because the mean of its divisors is an integer number (18959472).

Almost surely, 2^70420883 is an apocalyptic number.

70420883 is a deficient number, since it is larger than the sum of its proper divisors (5417005).

70420883 is a wasteful number, since it uses less digits than its factorization.

70420883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417004.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 70420883 is about 8391.7151405419. The cubic root of 70420883 is about 412.9528699979.

The spelling of 70420883 in words is "seventy million, four hundred twenty thousand, eight hundred eighty-three".