70445424 has 40 divisors (see below), whose sum is σ = 207982720. Its totient is φ = 20127168.

The previous prime is 70445393. The next prime is 70445449. The reversal of 70445424 is 42454407.

It is a junction number, because it is equal to n+sod(n) for n = 70445391 and 70445400.

It is a congruent number.

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, 104494 + ... + 105165.

It is an arithmetic number, because the mean of its divisors is an integer number (5199568).

Almost surely, 2^70445424 is an apocalyptic number.

It is an amenable number.

70445424 is an abundant number, since it is smaller than the sum of its proper divisors (137537296).

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

70445424 is a wasteful number, since it uses less digits than its factorization.

70445424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209677 (or 209671 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 70445424 is about 8393.1772291546. The cubic root of 70445424 is about 413.0008344602. Note that the first 3 decimals are identical.

The spelling of 70445424 in words is "seventy million, four hundred forty-five thousand, four hundred twenty-four".