70263522 has 48 divisors (see below), whose sum is σ = 176392320. Its totient is φ = 19797696.

The previous prime is 70263497. The next prime is 70263541. The reversal of 70263522 is 22536207.

70263522 is a `hidden beast` number, since 7 + 0 + 2 + 635 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5379 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (3674840).

Almost surely, 2^70263522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70263522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88196160).

70263522 is an abundant number, since it is smaller than the sum of its proper divisors (106128798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70263522 is a wasteful number, since it uses less digits than its factorization.

70263522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727 (or 7724 counting only the distinct ones).

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

The square root of 70263522 is about 8382.3339231982. Note that the first 3 decimals coincide. The cubic root of 70263522 is about 412.6450487146.

Adding to 70263522 its reverse (22536207), we get a palindrome (92799729).

The spelling of 70263522 in words is "seventy million, two hundred sixty-three thousand, five hundred twenty-two".