70474153 has 4 divisors (see below), whose sum is σ = 71803908. Its totient is φ = 69144400.

The previous prime is 70474133. The next prime is 70474171. The reversal of 70474153 is 35147407.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62678889 + 7795264 = 7917^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 70474153 - 2¹³ = 70465961 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70474133) 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 in 3 ways as a sum of consecutive naturals, for example, 664798 + ... + 664903.

It is an arithmetic number, because the mean of its divisors is an integer number (17950977).

Almost surely, 2^70474153 is an apocalyptic number.

It is an amenable number.

70474153 is a deficient number, since it is larger than the sum of its proper divisors (1329755).

70474153 is a wasteful number, since it uses less digits than its factorization.

70474153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329754.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70474153 is about 8394.8885043221. Note that the first 3 decimals coincide. The cubic root of 70474153 is about 413.0569700601.

The spelling of 70474153 in words is "seventy million, four hundred seventy-four thousand, one hundred fifty-three".