70133838 has 16 divisors (see below), whose sum is σ = 141958656. Its totient is φ = 23096120.

The previous prime is 70133837. The next prime is 70133839. The reversal of 70133838 is 83833107.

It is an interprime number because it is at equal distance from previous prime (70133837) and next prime (70133839).

It is a super-2 number, since 2×70133838² = 9837510465220488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 70133799 and 70133808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70133837) 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 7 ways as a sum of consecutive naturals, for example, 69918 + ... + 70913.

It is an arithmetic number, because the mean of its divisors is an integer number (8872416).

Almost surely, 2^70133838 is an apocalyptic number.

70133838 is an abundant number, since it is smaller than the sum of its proper divisors (71824818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70133838 is a wasteful number, since it uses less digits than its factorization.

70133838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140919.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 70133838 is about 8374.5947961678. The cubic root of 70133838 is about 412.3910220841.

The spelling of 70133838 in words is "seventy million, one hundred thirty-three thousand, eight hundred thirty-eight".