70485785 has 16 divisors (see below), whose sum is σ = 87628800. Its totient is φ = 54371520.

The previous prime is 70485781. The next prime is 70485787. The reversal of 70485785 is 58758407.

It is not a de Polignac number, because 70485785 - 2² = 70485781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70485781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53444 + ... + 54746.

It is an arithmetic number, because the mean of its divisors is an integer number (5476800).

Almost surely, 2^70485785 is an apocalyptic number.

It is an amenable number.

70485785 is a deficient number, since it is larger than the sum of its proper divisors (17143015).

70485785 is a wasteful number, since it uses less digits than its factorization.

70485785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 70485785 is about 8395.5812782678. The cubic root of 70485785 is about 413.0796942985.

The spelling of 70485785 in words is "seventy million, four hundred eighty-five thousand, seven hundred eighty-five".