70024181 has 2 divisors, whose sum is σ = 70024182. Its totient is φ = 70024180.

The previous prime is 70024159. The next prime is 70024243. The reversal of 70024181 is 18142007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69989956 + 34225 = 8366^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 70024181 - 2¹⁰ = 70023157 is a prime.

It is a super-2 number, since 2×70024181² = 9806771849441522, which contains 22 as substring.

It is equal to p_4119404 and since 70024181 and 4119404 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70024111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35012090 + 35012091.

It is an arithmetic number, because the mean of its divisors is an integer number (35012091).

Almost surely, 2^70024181 is an apocalyptic number.

It is an amenable number.

70024181 is a deficient number, since it is larger than the sum of its proper divisors (1).

70024181 is an equidigital number, since it uses as much as digits as its factorization.

70024181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 70024181 is about 8368.0452317133. The cubic root of 70024181 is about 412.1759801365.

Adding to 70024181 its reverse (18142007), we get a palindrome (88166188).

The spelling of 70024181 in words is "seventy million, twenty-four thousand, one hundred eighty-one".