70315642 has 8 divisors (see below), whose sum is σ = 105894432. Its totient is φ = 35017500.

The previous prime is 70315627. The next prime is 70315643. The reversal of 70315642 is 24651307.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70315642.

It is not an unprimeable number, because it can be changed into a prime (70315643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69534 + ... + 70537.

It is an arithmetic number, because the mean of its divisors is an integer number (13236804).

Almost surely, 2^70315642 is an apocalyptic number.

70315642 is a deficient number, since it is larger than the sum of its proper divisors (35578790).

70315642 is a wasteful number, since it uses less digits than its factorization.

70315642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140324.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70315642 is about 8385.4422662135. The cubic root of 70315642 is about 412.7470539642.

Adding to 70315642 its reverse (24651307), we get a palindrome (94966949).

The spelling of 70315642 in words is "seventy million, three hundred fifteen thousand, six hundred forty-two".