70205424 has 20 divisors (see below), whose sum is σ = 181364136. Its totient is φ = 23401792.

The previous prime is 70205423. The next prime is 70205441. The reversal of 70205424 is 42450207.

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 = 70205394 and 70205403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70205423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731259 + ... + 731354.

Almost surely, 2^70205424 is an apocalyptic number.

It is an amenable number.

70205424 is an abundant number, since it is smaller than the sum of its proper divisors (111158712).

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

70205424 is a wasteful number, since it uses less digits than its factorization.

70205424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462624 (or 1462618 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 70205424 is about 8378.8677039323. The cubic root of 70205424 is about 412.5312843123.

The spelling of 70205424 in words is "seventy million, two hundred five thousand, four hundred twenty-four".