70900686 has 12 divisors (see below), whose sum is σ = 153618192. Its totient is φ = 23633556.

The previous prime is 70900681. The next prime is 70900699. The reversal of 70900686 is 68600907.

It is a self number, because there is not a number n which added to its sum of digits gives 70900686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70900681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1969446 + ... + 1969481.

It is an arithmetic number, because the mean of its divisors is an integer number (12801516).

Almost surely, 2^70900686 is an apocalyptic number.

70900686 is an abundant number, since it is smaller than the sum of its proper divisors (82717506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70900686 is a wasteful number, since it uses less digits than its factorization.

70900686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938935 (or 3938932 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 70900686 is about 8420.2545092176. The cubic root of 70900686 is about 413.8886138767. Note that the first 3 decimals are identical.

The spelling of 70900686 in words is "seventy million, nine hundred thousand, six hundred eighty-six".