70350440 has 16 divisors (see below), whose sum is σ = 158288580. Its totient is φ = 28140160.

The previous prime is 70350349. The next prime is 70350481. The reversal of 70350440 is 4405307.

It can be written as a sum of positive squares in 2 ways, for example, as 64995844 + 5354596 = 8062^2 + 2314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879341 + ... + 879420.

Almost surely, 2^70350440 is an apocalyptic number.

It is an amenable number.

70350440 is an abundant number, since it is smaller than the sum of its proper divisors (87938140).

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

70350440 is a wasteful number, since it uses less digits than its factorization.

70350440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758772 (or 1758768 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70350440 is about 8387.5169150351. The cubic root of 70350440 is about 412.8151298713.

Adding to 70350440 its reverse (4405307), we get a palindrome (74755747).

The spelling of 70350440 in words is "seventy million, three hundred fifty thousand, four hundred forty".