70000033 has 8 divisors (see below), whose sum is σ = 74445480. Its totient is φ = 65591040.

The previous prime is 70000027. The next prime is 70000037. The reversal of 70000033 is 33000007.

It can be written as a sum of positive squares in 4 ways, for example, as 58629649 + 11370384 = 7657^2 + 3372^2 .

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 70000033 - 2²⁵ = 36445601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69999968 and 70000022.

It is not an unprimeable number, because it can be changed into a prime (70000037) 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, 5098 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (9305685).

Almost surely, 2^70000033 is an apocalyptic number.

It is an amenable number.

70000033 is a deficient number, since it is larger than the sum of its proper divisors (4445447).

70000033 is a wasteful number, since it uses less digits than its factorization.

70000033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18227.

The product of its (nonzero) digits is 63, while the sum is 13.

The square root of 70000033 is about 8366.6022374677. The cubic root of 70000033 is about 412.1285947439.

The spelling of 70000033 in words is "seventy million, thirty-three", and thus it is an aban number and an uban number.