70691319 has 8 divisors (see below), whose sum is σ = 104727920. Its totient is φ = 47127528.

The previous prime is 70691297. The next prime is 70691353. The reversal of 70691319 is 91319607.

It is not a de Polignac number, because 70691319 - 2¹¹ = 70689271 is a prime.

It is a super-3 number, since 3×70691319³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70695319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309072 + ... + 1309125.

It is an arithmetic number, because the mean of its divisors is an integer number (13090990).

Almost surely, 2^70691319 is an apocalyptic number.

70691319 is a deficient number, since it is larger than the sum of its proper divisors (34036601).

70691319 is a wasteful number, since it uses less digits than its factorization.

70691319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618206 (or 2618200 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 70691319 is about 8407.8129736573. The cubic root of 70691319 is about 413.4808131513.

The spelling of 70691319 in words is "seventy million, six hundred ninety-one thousand, three hundred nineteen".