70038653 has 2 divisors, whose sum is σ = 70038654. Its totient is φ = 70038652.

The previous prime is 70038649. The next prime is 70038659. The reversal of 70038653 is 35683007.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66552964 + 3485689 = 8158^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 70038653 - 2² = 70038649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70038659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35019326 + 35019327.

It is an arithmetic number, because the mean of its divisors is an integer number (35019327).

Almost surely, 2^70038653 is an apocalyptic number.

It is an amenable number.

70038653 is a deficient number, since it is larger than the sum of its proper divisors (1).

70038653 is an equidigital number, since it uses as much as digits as its factorization.

70038653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70038653 is about 8368.9099051191. The cubic root of 70038653 is about 412.2043731850.

The spelling of 70038653 in words is "seventy million, thirty-eight thousand, six hundred fifty-three".