70813052 has 24 divisors (see below), whose sum is σ = 128698752. Its totient is φ = 34056000.

The previous prime is 70813031. The next prime is 70813063. The reversal of 70813052 is 25031807.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19802 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (5362448).

Almost surely, 2^70813052 is an apocalyptic number.

It is an amenable number.

70813052 is a deficient number, since it is larger than the sum of its proper divisors (57885700).

70813052 is a wasteful number, since it uses less digits than its factorization.

70813052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70813052 is about 8415.0491382998. The cubic root of 70813052 is about 413.7180199997.

Adding to 70813052 its reverse (25031807), we get a palindrome (95844859).

The spelling of 70813052 in words is "seventy million, eight hundred thirteen thousand, fifty-two".