70259849 has 4 divisors (see below), whose sum is σ = 76647120. Its totient is φ = 63872580.

The previous prime is 70259803. The next prime is 70259851. The reversal of 70259849 is 94895207.

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.

It is a cyclic number.

It is not a de Polignac number, because 70259849 - 2⁸ = 70259593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70259149) 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, 3193619 + ... + 3193640.

It is an arithmetic number, because the mean of its divisors is an integer number (19161780).

Almost surely, 2^70259849 is an apocalyptic number.

It is an amenable number.

70259849 is a deficient number, since it is larger than the sum of its proper divisors (6387271).

70259849 is a wasteful number, since it uses less digits than its factorization.

70259849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387270.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 70259849 is about 8382.1148286098. The cubic root of 70259849 is about 412.6378582995.

The spelling of 70259849 in words is "seventy million, two hundred fifty-nine thousand, eight hundred forty-nine".