70449213 has 8 divisors (see below), whose sum is σ = 94254048. Its totient is φ = 46805264.

The previous prime is 70449191. The next prime is 70449251. The reversal of 70449213 is 31294407.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70449213 - 2²⁴ = 53671997 is a prime.

It is a super-2 number, since 2×70449213² = 9926183224638738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70449293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39195 + ... + 40952.

It is an arithmetic number, because the mean of its divisors is an integer number (11781756).

Almost surely, 2^70449213 is an apocalyptic number.

It is an amenable number.

70449213 is a deficient number, since it is larger than the sum of its proper divisors (23804835).

70449213 is a wasteful number, since it uses less digits than its factorization.

70449213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80443.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70449213 is about 8393.4029451707. The cubic root of 70449213 is about 413.0082389256.

The spelling of 70449213 in words is "seventy million, four hundred forty-nine thousand, two hundred thirteen".