70804249 has 4 divisors (see below), whose sum is σ = 70968960. Its totient is φ = 70639540.

The previous prime is 70804243. The next prime is 70804259. The reversal of 70804249 is 94240807.

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 70804249 - 2⁷ = 70804121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70804243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81709 + ... + 82570.

It is an arithmetic number, because the mean of its divisors is an integer number (17742240).

Almost surely, 2^70804249 is an apocalyptic number.

It is an amenable number.

70804249 is a deficient number, since it is larger than the sum of its proper divisors (164711).

70804249 is a wasteful number, since it uses less digits than its factorization.

70804249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164710.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 70804249 is about 8414.5260710274. The cubic root of 70804249 is about 413.7008757466.

The spelling of 70804249 in words is "seventy million, eight hundred four thousand, two hundred forty-nine".