70573113 has 20 divisors (see below), whose sum is σ = 113535268. Its totient is φ = 43428960.

The previous prime is 70573109. The next prime is 70573117. The reversal of 70573113 is 31137507.

It is an interprime number because it is at equal distance from previous prime (70573109) and next prime (70573117).

It can be written as a sum of positive squares in 2 ways, for example, as 8982009 + 61591104 = 2997^2 + 7848^2 .

It is not a de Polignac number, because 70573113 - 2² = 70573109 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70573117) 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 19 ways as a sum of consecutive naturals, for example, 32458 + ... + 34563.

Almost surely, 2^70573113 is an apocalyptic number.

It is an amenable number.

70573113 is a deficient number, since it is larger than the sum of its proper divisors (42962155).

70573113 is a wasteful number, since it uses less digits than its factorization.

70573113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67046 (or 67037 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 70573113 is about 8400.7804994536. The cubic root of 70573113 is about 413.2502182139.

Adding to 70573113 its sum of digits (27), we get a triangular number (70573140 = T₁₁₈₈₀).

The spelling of 70573113 in words is "seventy million, five hundred seventy-three thousand, one hundred thirteen".