70033231 has 8 divisors (see below), whose sum is σ = 72626400. Its totient is φ = 67452000.

The previous prime is 70033211. The next prime is 70033253. The reversal of 70033231 is 13233007.

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

It is a cyclic number.

It is not a de Polignac number, because 70033231 - 2⁵ = 70033199 is a prime.

It is a super-2 number, since 2×70033231² = 9809306888598722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70033199 and 70033208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70033211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981 + ... + 15481.

It is an arithmetic number, because the mean of its divisors is an integer number (9078300).

Almost surely, 2^70033231 is an apocalyptic number.

70033231 is a deficient number, since it is larger than the sum of its proper divisors (2593169).

70033231 is a wasteful number, since it uses less digits than its factorization.

70033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 70033231 is about 8368.5859617978. The cubic root of 70033231 is about 412.1937360596.

Adding to 70033231 its reverse (13233007), we get a palindrome (83266238).

The spelling of 70033231 in words is "seventy million, thirty-three thousand, two hundred thirty-one".