70650580 has 96 divisors (see below), whose sum is σ = 199261440. Its totient is φ = 20321280.

The previous prime is 70650577. The next prime is 70650647. The reversal of 70650580 is 8505607.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 18256 + ... + 21784.

It is an arithmetic number, because the mean of its divisors is an integer number (2075640).

Almost surely, 2^70650580 is an apocalyptic number.

70650580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70650580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99630720).

70650580 is an abundant number, since it is smaller than the sum of its proper divisors (128610860).

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

70650580 is a wasteful number, since it uses less digits than its factorization.

70650580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 70650580 is about 8405.3899374152. The cubic root of 70650580 is about 413.4013690179.

The spelling of 70650580 in words is "seventy million, six hundred fifty thousand, five hundred eighty".