70969249 has 4 divisors (see below), whose sum is σ = 76428436. Its totient is φ = 65510064.

The previous prime is 70969247. The next prime is 70969253. The reversal of 70969249 is 94296907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94296907 = 503 ⋅187469.

It can be written as a sum of positive squares in 2 ways, for example, as 7480225 + 63489024 = 2735^2 + 7968^2 .

It is a cyclic number.

It is not a de Polignac number, because 70969249 - 2¹ = 70969247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70969199 and 70969208.

It is not an unprimeable number, because it can be changed into a prime (70969243) 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, 2729574 + ... + 2729599.

It is an arithmetic number, because the mean of its divisors is an integer number (19107109).

Almost surely, 2^70969249 is an apocalyptic number.

It is an amenable number.

70969249 is a deficient number, since it is larger than the sum of its proper divisors (5459187).

70969249 is a wasteful number, since it uses less digits than its factorization.

70969249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459186.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 70969249 is about 8424.3248394159. The cubic root of 70969249 is about 414.0219849543.

The spelling of 70969249 in words is "seventy million, nine hundred sixty-nine thousand, two hundred forty-nine".