70224865 has 8 divisors (see below), whose sum is σ = 87933888. Its totient is φ = 53737200.

The previous prime is 70224829. The next prime is 70224877. The reversal of 70224865 is 56842207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70224865 - 2²⁵ = 36670433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70224865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305211 + ... + 305440.

It is an arithmetic number, because the mean of its divisors is an integer number (10991736).

Almost surely, 2^70224865 is an apocalyptic number.

It is an amenable number.

70224865 is a deficient number, since it is larger than the sum of its proper divisors (17709023).

70224865 is a wasteful number, since it uses less digits than its factorization.

70224865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610679.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 70224865 is about 8380.0277445841. The cubic root of 70224865 is about 412.5693596255.

The spelling of 70224865 in words is "seventy million, two hundred twenty-four thousand, eight hundred sixty-five".