70445133 has 20 divisors (see below), whose sum is σ = 114800928. Its totient is φ = 42693480.

The previous prime is 70445131. The next prime is 70445143. The reversal of 70445133 is 33154407.

It is not a de Polignac number, because 70445133 - 2¹ = 70445131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70445097 and 70445106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38641 + ... + 40422.

Almost surely, 2^70445133 is an apocalyptic number.

It is an amenable number.

70445133 is a deficient number, since it is larger than the sum of its proper divisors (44355795).

70445133 is a wasteful number, since it uses less digits than its factorization.

70445133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79086 (or 79077 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 70445133 is about 8393.1598936277. The cubic root of 70445133 is about 413.0002657769. Note that the first 3 decimals are identical.

The spelling of 70445133 in words is "seventy million, four hundred forty-five thousand, one hundred thirty-three".