70315500 has 48 divisors (see below), whose sum is σ = 204763104. Its totient is φ = 18750400.

The previous prime is 70315499. The next prime is 70315507. The reversal of 70315500 is 551307.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70315507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21939 + ... + 24938.

It is an arithmetic number, because the mean of its divisors is an integer number (4265898).

Almost surely, 2^70315500 is an apocalyptic number.

It is an amenable number.

70315500 is an abundant number, since it is smaller than the sum of its proper divisors (134447604).

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

70315500 is a wasteful number, since it uses less digits than its factorization.

70315500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46899 (or 46887 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 70315500 is about 8385.4337991543. The cubic root of 70315500 is about 412.7467761212.

Adding to 70315500 its reverse (551307), we get a palindrome (70866807).

The spelling of 70315500 in words is "seventy million, three hundred fifteen thousand, five hundred".