70403705 has 8 divisors (see below), whose sum is σ = 84791112. Its totient is φ = 56118528.

The previous prime is 70403687. The next prime is 70403731. The reversal of 70403705 is 50730407.

It can be written as a sum of positive squares in 4 ways, for example, as 1364224 + 69039481 = 1168^2 + 8309^2 .

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 70403705 - 2²² = 66209401 is a prime.

It is a Duffinian 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, 24032 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (10598889).

Almost surely, 2^70403705 is an apocalyptic number.

It is an amenable number.

70403705 is a deficient number, since it is larger than the sum of its proper divisors (14387407).

70403705 is a wasteful number, since it uses less digits than its factorization.

70403705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51115.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 70403705 is about 8390.6915686372. The cubic root of 70403705 is about 412.9192896120.

The spelling of 70403705 in words is "seventy million, four hundred three thousand, seven hundred five".