70801224 has 64 divisors (see below), whose sum is σ = 192024000. Its totient is φ = 21624576.

The previous prime is 70801207. The next prime is 70801249. The reversal of 70801224 is 42210807.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 70801194 and 70801203.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45727 + ... + 47249.

It is an arithmetic number, because the mean of its divisors is an integer number (3000375).

Almost surely, 2^70801224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70801224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96012000).

70801224 is an abundant number, since it is smaller than the sum of its proper divisors (121222776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70801224 is a wasteful number, since it uses less digits than its factorization.

70801224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 70801224 is about 8414.3463204220. The cubic root of 70801224 is about 413.6949840900.

The spelling of 70801224 in words is "seventy million, eight hundred one thousand, two hundred twenty-four".