70530263 has 8 divisors (see below), whose sum is σ = 75140208. Its totient is φ = 65971584.

The previous prime is 70530253. The next prime is 70530283. The reversal of 70530263 is 36203507.

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

It is a cyclic number.

It is not a de Polignac number, because 70530263 - 2⁶ = 70530199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9956 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (9392526).

Almost surely, 2^70530263 is an apocalyptic number.

70530263 is a deficient number, since it is larger than the sum of its proper divisors (4609945).

70530263 is a wasteful number, since it uses less digits than its factorization.

70530263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25633.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 70530263 is about 8398.2297539422. The cubic root of 70530263 is about 413.1665633290.

The spelling of 70530263 in words is "seventy million, five hundred thirty thousand, two hundred sixty-three".