70706669 has 24 divisors (see below), whose sum is σ = 83613600. Its totient is φ = 59222240.

The previous prime is 70706651. The next prime is 70706681. The reversal of 70706669 is 96660707.

It is not a de Polignac number, because 70706669 - 2¹⁶ = 70641133 is a prime.

It is a super-2 number, since 2×70706669² = 9998866082151122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70706639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168542 + ... + 168960.

It is an arithmetic number, because the mean of its divisors is an integer number (3483900).

Almost surely, 2^70706669 is an apocalyptic number.

It is an amenable number.

70706669 is a deficient number, since it is larger than the sum of its proper divisors (12906931).

70706669 is a wasteful number, since it uses less digits than its factorization.

70706669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 70706669 is about 8408.7257655367. The cubic root of 70706669 is about 413.5107388963.

The spelling of 70706669 in words is "seventy million, seven hundred six thousand, six hundred sixty-nine".