70840753 has 2 divisors, whose sum is σ = 70840754. Its totient is φ = 70840752.

The previous prime is 70840711. The next prime is 70840771. The reversal of 70840753 is 35704807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58110129 + 12730624 = 7623^2 + 3568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70840753 is a prime.

It is a super-3 number, since 3×70840753³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (70880753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35420376 + 35420377.

It is an arithmetic number, because the mean of its divisors is an integer number (35420377).

Almost surely, 2^70840753 is an apocalyptic number.

It is an amenable number.

70840753 is a deficient number, since it is larger than the sum of its proper divisors (1).

70840753 is an equidigital number, since it uses as much as digits as its factorization.

70840753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70840753 is about 8416.6948976424. The cubic root of 70840753 is about 413.7719597208.

The spelling of 70840753 in words is "seventy million, eight hundred forty thousand, seven hundred fifty-three".