70360521 has 48 divisors (see below), whose sum is σ = 121445568. Its totient is φ = 35817600.

The previous prime is 70360517. The next prime is 70360523. The reversal of 70360521 is 12506307.

It is not a de Polignac number, because 70360521 - 2² = 70360517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70360491 and 70360500.

It is not an unprimeable number, because it can be changed into a prime (70360523) 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 47 ways as a sum of consecutive naturals, for example, 85291 + ... + 86111.

It is an arithmetic number, because the mean of its divisors is an integer number (2530116).

Almost surely, 2^70360521 is an apocalyptic number.

It is an amenable number.

70360521 is a deficient number, since it is larger than the sum of its proper divisors (51085047).

70360521 is a wasteful number, since it uses less digits than its factorization.

70360521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 70360521 is about 8388.1178460963. The cubic root of 70360521 is about 412.8348473057.

Adding to 70360521 its reverse (12506307), we get a palindrome (82866828).

The spelling of 70360521 in words is "seventy million, three hundred sixty thousand, five hundred twenty-one".