70031005 has 8 divisors (see below), whose sum is σ = 91677024. Its totient is φ = 50931600.

The previous prime is 70030981. The next prime is 70031009. The reversal of 70031005 is 50013007.

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

It is not a de Polignac number, because 70031005 - 2¹⁷ = 69899933 is a prime.

It is a super-2 number, since 2×70031005² = 9808683322620050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70031009) 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, 636591 + ... + 636700.

It is an arithmetic number, because the mean of its divisors is an integer number (11459628).

Almost surely, 2^70031005 is an apocalyptic number.

It is an amenable number.

70031005 is a deficient number, since it is larger than the sum of its proper divisors (21646019).

70031005 is a wasteful number, since it uses less digits than its factorization.

70031005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273307.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 70031005 is about 8368.4529633619. The cubic root of 70031005 is about 412.1893688330.

It can be divided in two parts, 7003 and 1005, that added together give a palindrome (8008).

The spelling of 70031005 in words is "seventy million, thirty-one thousand, five".