70333993 has 2 divisors, whose sum is σ = 70333994. Its totient is φ = 70333992.

The previous prime is 70333979. The next prime is 70334041. The reversal of 70333993 is 39933307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 18896409 = 7172^2 + 4347^2 .

It is a cyclic number.

It is not a de Polignac number, because 70333993 - 2¹⁷ = 70202921 is a prime.

It is not a weakly prime, because it can be changed into another prime (70333943) 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 as a sum of consecutive naturals, namely, 35166996 + 35166997.

It is an arithmetic number, because the mean of its divisors is an integer number (35166997).

Almost surely, 2^70333993 is an apocalyptic number.

It is an amenable number.

70333993 is a deficient number, since it is larger than the sum of its proper divisors (1).

70333993 is an equidigital number, since it uses as much as digits as its factorization.

70333993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 37.

The square root of 70333993 is about 8386.5364126080. The cubic root of 70333993 is about 412.7829571296.

It can be divided in two parts, 7033 and 3993, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 70333993 in words is "seventy million, three hundred thirty-three thousand, nine hundred ninety-three".