70503005 has 8 divisors (see below), whose sum is σ = 84669624. Its totient is φ = 56358400.

The previous prime is 70502989. The next prime is 70503047. The reversal of 70503005 is 50030507.

It can be written as a sum of positive squares in 4 ways, for example, as 4519876 + 65983129 = 2126^2 + 8123^2 .

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

It is not a de Polignac number, because 70503005 - 2⁴ = 70502989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (10583703).

Almost surely, 2^70503005 is an apocalyptic number.

It is an amenable number.

70503005 is a deficient number, since it is larger than the sum of its proper divisors (14166619).

70503005 is a wasteful number, since it uses less digits than its factorization.

70503005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 70503005 is about 8396.6067551124. The cubic root of 70503005 is about 413.1133306463.

The spelling of 70503005 in words is "seventy million, five hundred three thousand, five".