70949717 has 4 divisors (see below), whose sum is σ = 72008736. Its totient is φ = 69890700.

The previous prime is 70949701. The next prime is 70949741. The reversal of 70949717 is 71794907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71794907 = 43 ⋅1669649.

It is a cyclic number.

It is not a de Polignac number, because 70949717 - 2⁴ = 70949701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70949797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529409 + ... + 529542.

It is an arithmetic number, because the mean of its divisors is an integer number (18002184).

Almost surely, 2^70949717 is an apocalyptic number.

It is an amenable number.

70949717 is a deficient number, since it is larger than the sum of its proper divisors (1059019).

70949717 is a wasteful number, since it uses less digits than its factorization.

70949717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059018.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 70949717 is about 8423.1654976024. The cubic root of 70949717 is about 413.9839993972.

The spelling of 70949717 in words is "seventy million, nine hundred forty-nine thousand, seven hundred seventeen".