70744500 has 144 divisors (see below), whose sum is σ = 227136000. Its totient is φ = 18532800.

The previous prime is 70744489. The next prime is 70744507. The reversal of 70744500 is 544707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70744507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355401 + ... + 355599.

Almost surely, 2^70744500 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 70744500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113568000).

70744500 is an abundant number, since it is smaller than the sum of its proper divisors (156391500).

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

70744500 is a wasteful number, since it uses less digits than its factorization.

70744500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70744500 is about 8410.9749732121. The cubic root of 70744500 is about 413.5844742116.

The spelling of 70744500 in words is "seventy million, seven hundred forty-four thousand, five hundred".