70260530 has 8 divisors (see below), whose sum is σ = 126468972. Its totient is φ = 28104208.

The previous prime is 70260517. The next prime is 70260557. The reversal of 70260530 is 3506207.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 2181529 = 8251^2 + 1477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70260496 and 70260505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513017 + ... + 3513036.

Almost surely, 2^70260530 is an apocalyptic number.

70260530 is a deficient number, since it is larger than the sum of its proper divisors (56208442).

70260530 is a wasteful number, since it uses less digits than its factorization.

70260530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026060.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 70260530 is about 8382.1554507179. The cubic root of 70260530 is about 412.6391914719.

Adding to 70260530 its reverse (3506207), we get a palindrome (73766737).

The spelling of 70260530 in words is "seventy million, two hundred sixty thousand, five hundred thirty".