70368840 has 48 divisors (see below), whose sum is σ = 228699900. Its totient is φ = 18764928.

The previous prime is 70368757. The next prime is 70368841. The reversal of 70368840 is 4886307.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 9622404 = 7794^2 + 3102^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70368795 and 70368804.

It is not an unprimeable number, because it can be changed into a prime (70368841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97375 + ... + 98094.

Almost surely, 2^70368840 is an apocalyptic number.

It is an amenable number.

70368840 is an abundant number, since it is smaller than the sum of its proper divisors (158331060).

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

70368840 is a wasteful number, since it uses less digits than its factorization.

70368840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195486 (or 195479 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70368840 is about 8388.6137114544. The cubic root of 70368840 is about 412.8511170249.

It can be divided in two parts, 7036 and 8840, that added together give a square (15876 = 126²).

The spelling of 70368840 in words is "seventy million, three hundred sixty-eight thousand, eight hundred forty".