70148253 has 48 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 38384640.

The previous prime is 70148251. The next prime is 70148269. The reversal of 70148253 is 35284107.

It is not a de Polignac number, because 70148253 - 2¹ = 70148251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70148253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70148251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 620725 + ... + 620837.

It is an arithmetic number, because the mean of its divisors is an integer number (2365272).

Almost surely, 2^70148253 is an apocalyptic number.

It is an amenable number.

70148253 is a deficient number, since it is larger than the sum of its proper divisors (43384803).

70148253 is a wasteful number, since it uses less digits than its factorization.

70148253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 70148253 is about 8375.4553906041. The cubic root of 70148253 is about 412.4192738264.

The spelling of 70148253 in words is "seventy million, one hundred forty-eight thousand, two hundred fifty-three".