70350813 has 36 divisors (see below), whose sum is σ = 114877152. Its totient is φ = 41389920.

The previous prime is 70350779. The next prime is 70350817. The reversal of 70350813 is 31805307.

It is not a de Polignac number, because 70350813 - 2¹³ = 70342621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70350817) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33978 + ... + 35988.

It is an arithmetic number, because the mean of its divisors is an integer number (3191032).

Almost surely, 2^70350813 is an apocalyptic number.

It is an amenable number.

70350813 is a deficient number, since it is larger than the sum of its proper divisors (44526339).

70350813 is a wasteful number, since it uses less digits than its factorization.

70350813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 70350813 is about 8387.5391504302. The cubic root of 70350813 is about 412.8158594558.

The spelling of 70350813 in words is "seventy million, three hundred fifty thousand, eight hundred thirteen".