70033971 has 16 divisors (see below), whose sum is σ = 109201664. Its totient is φ = 39088224.

The previous prime is 70033967. The next prime is 70033979. The reversal of 70033971 is 17933007.

It is not a de Polignac number, because 70033971 - 2² = 70033967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70033979) 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 15 ways as a sum of consecutive naturals, for example, 37876 + ... + 39681.

It is an arithmetic number, because the mean of its divisors is an integer number (6825104).

Almost surely, 2^70033971 is an apocalyptic number.

70033971 is a deficient number, since it is larger than the sum of its proper divisors (39167693).

70033971 is a wasteful number, since it uses less digits than its factorization.

70033971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77610.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 70033971 is about 8368.6301746463. The cubic root of 70033971 is about 412.1951878575.

Adding to 70033971 its reverse (17933007), we get a palindrome (87966978).

The spelling of 70033971 in words is "seventy million, thirty-three thousand, nine hundred seventy-one".