70004530 has 16 divisors (see below), whose sum is σ = 126567360. Its totient is φ = 27877552.

The previous prime is 70004497. The next prime is 70004537. The reversal of 70004530 is 3540007.

It is a junction number, because it is equal to n+sod(n) for n = 70004498 and 70004507.

It is not an unprimeable number, because it can be changed into a prime (70004537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13150 + ... + 17689.

It is an arithmetic number, because the mean of its divisors is an integer number (7910460).

Almost surely, 2^70004530 is an apocalyptic number.

70004530 is a deficient number, since it is larger than the sum of its proper divisors (56562830).

70004530 is a wasteful number, since it uses less digits than its factorization.

70004530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31073.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 70004530 is about 8366.8709802411. The cubic root of 70004530 is about 412.1374199902.

Adding to 70004530 its reverse (3540007), we get a palindrome (73544537).

The spelling of 70004530 in words is "seventy million, four thousand, five hundred thirty".