70315361 has 4 divisors (see below), whose sum is σ = 71364912. Its totient is φ = 69265812.

The previous prime is 70315351. The next prime is 70315367. The reversal of 70315361 is 16351307.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70315361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70315361.

It is not an unprimeable number, because it can be changed into a prime (70315367) 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, 524675 + ... + 524808.

It is an arithmetic number, because the mean of its divisors is an integer number (17841228).

Almost surely, 2^70315361 is an apocalyptic number.

It is an amenable number.

70315361 is a deficient number, since it is larger than the sum of its proper divisors (1049551).

70315361 is a wasteful number, since it uses less digits than its factorization.

70315361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049550.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 70315361 is about 8385.4255109684. The cubic root of 70315361 is about 412.7465041478.

Adding to 70315361 its reverse (16351307), we get a palindrome (86666668).

The spelling of 70315361 in words is "seventy million, three hundred fifteen thousand, three hundred sixty-one".