70693986 has 16 divisors (see below), whose sum is σ = 154241568. Its totient is φ = 21422400.

The previous prime is 70693979. The next prime is 70693991. The reversal of 70693986 is 68939607.

It is a happy 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, 535495 + ... + 535626.

It is an arithmetic number, because the mean of its divisors is an integer number (9640098).

Almost surely, 2^70693986 is an apocalyptic number.

70693986 is an abundant number, since it is smaller than the sum of its proper divisors (83547582).

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

70693986 is a wasteful number, since it uses less digits than its factorization.

70693986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071137.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 70693986 is about 8407.9715746427. The cubic root of 70693986 is about 413.4860129386.

The spelling of 70693986 in words is "seventy million, six hundred ninety-three thousand, nine hundred eighty-six".