70066733 has 4 divisors (see below), whose sum is σ = 76436448. Its totient is φ = 63697020.

The previous prime is 70066723. The next prime is 70066747. The reversal of 70066733 is 33766007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33766007 = 11 ⋅3069637.

It is a cyclic number.

It is not a de Polignac number, because 70066733 - 2⁶ = 70066669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70066733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066723) 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 3 ways as a sum of consecutive naturals, for example, 3184841 + ... + 3184862.

It is an arithmetic number, because the mean of its divisors is an integer number (19109112).

Almost surely, 2^70066733 is an apocalyptic number.

It is an amenable number.

70066733 is a deficient number, since it is larger than the sum of its proper divisors (6369715).

70066733 is a wasteful number, since it uses less digits than its factorization.

70066733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369714.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 70066733 is about 8370.5873748501. The cubic root of 70066733 is about 412.2594530197.

The spelling of 70066733 in words is "seventy million, sixty-six thousand, seven hundred thirty-three".