70385353 has 4 divisors (see below), whose sum is σ = 71376768. Its totient is φ = 69393940.

The previous prime is 70385351. The next prime is 70385369. The reversal of 70385353 is 35358307.

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: 35358307 = 5651 ⋅6257.

It is a cyclic number.

It is not a de Polignac number, because 70385353 - 2¹ = 70385351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70385351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495601 + ... + 495742.

It is an arithmetic number, because the mean of its divisors is an integer number (17844192).

Almost surely, 2^70385353 is an apocalyptic number.

It is an amenable number.

70385353 is a deficient number, since it is larger than the sum of its proper divisors (991415).

70385353 is an equidigital number, since it uses as much as digits as its factorization.

70385353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991414.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 70385353 is about 8389.5979045482. The cubic root of 70385353 is about 412.8834081985.

The spelling of 70385353 in words is "seventy million, three hundred eighty-five thousand, three hundred fifty-three".