70303340 has 12 divisors (see below), whose sum is σ = 147637056. Its totient is φ = 28121328.

The previous prime is 70303339. The next prime is 70303351. The reversal of 70303340 is 4330307.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 3515167 = 70303340 / (7 + 0 + 3 + 0 + 3 + 3 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757564 + ... + 1757603.

It is an arithmetic number, because the mean of its divisors is an integer number (12303088).

Almost surely, 2^70303340 is an apocalyptic number.

It is an amenable number.

70303340 is an abundant number, since it is smaller than the sum of its proper divisors (77333716).

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

70303340 is a wasteful number, since it uses less digits than its factorization.

70303340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515176 (or 3515174 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 70303340 is about 8384.7087009627. The cubic root of 70303340 is about 412.7229819832.

Adding to 70303340 its reverse (4330307), we get a palindrome (74633647).

The spelling of 70303340 in words is "seventy million, three hundred three thousand, three hundred forty".