70044131 has 16 divisors (see below), whose sum is σ = 77760000. Its totient is φ = 62755968.

The previous prime is 70044109. The next prime is 70044133. The reversal of 70044131 is 13144007.

It is a cyclic number.

It is not a de Polignac number, because 70044131 - 2¹⁴ = 70027747 is a prime.

It is a super-2 number, since 2×70044131² = 9812360575090322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70044133) 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 15 ways as a sum of consecutive naturals, for example, 140120 + ... + 140618.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2^70044131 is an apocalyptic number.

70044131 is a deficient number, since it is larger than the sum of its proper divisors (7715869).

70044131 is a wasteful number, since it uses less digits than its factorization.

70044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70044131 is about 8369.2371814879. The cubic root of 70044131 is about 412.2151196161.

Adding to 70044131 its reverse (13144007), we get a palindrome (83188138).

The spelling of 70044131 in words is "seventy million, forty-four thousand, one hundred thirty-one".