70634242 has 16 divisors (see below), whose sum is σ = 126352512. Its totient is φ = 28955520.

The previous prime is 70634209. The next prime is 70634243. The reversal of 70634242 is 24243607.

It is a super-2 number, since 2×70634242² = 9978392285829128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70634242.

It is not an unprimeable number, because it can be changed into a prime (70634243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109359 + ... + 110002.

It is an arithmetic number, because the mean of its divisors is an integer number (7897032).

Almost surely, 2^70634242 is an apocalyptic number.

70634242 is a deficient number, since it is larger than the sum of its proper divisors (55718270).

70634242 is a wasteful number, since it uses less digits than its factorization.

70634242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219393.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70634242 is about 8404.4180048353. The cubic root of 70634242 is about 413.3695001016.

Adding to 70634242 its reverse (24243607), we get a palindrome (94877849).

It can be divided in two parts, 70634 and 242, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 70634242 in words is "seventy million, six hundred thirty-four thousand, two hundred forty-two".