70703530 has 8 divisors (see below), whose sum is σ = 127266372. Its totient is φ = 28281408.

The previous prime is 70703491. The next prime is 70703531. The reversal of 70703530 is 3530707.

It can be written as a sum of positive squares in 2 ways, for example, as 66406201 + 4297329 = 8149^2 + 2073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70703495 and 70703504.

It is not an unprimeable number, because it can be changed into a prime (70703531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535167 + ... + 3535186.

Almost surely, 2^70703530 is an apocalyptic number.

70703530 is a deficient number, since it is larger than the sum of its proper divisors (56562842).

70703530 is a wasteful number, since it uses less digits than its factorization.

70703530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070360.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 70703530 is about 8408.5391121169. The cubic root of 70703530 is about 413.5046195800.

The spelling of 70703530 in words is "seventy million, seven hundred three thousand, five hundred thirty".