70660782 has 32 divisors (see below), whose sum is σ = 160680960. Its totient is φ = 23005080.

The previous prime is 70660763. The next prime is 70660783. The reversal of 70660782 is 28706607.

It is a super-2 number, since 2×70660782² = 9985892225703048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70660783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12894 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (5021280).

Almost surely, 2^70660782 is an apocalyptic number.

70660782 is an abundant number, since it is smaller than the sum of its proper divisors (90020178).

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

70660782 is a wasteful number, since it uses less digits than its factorization.

70660782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485 (or 30479 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 70660782 is about 8405.9967880080. The cubic root of 70660782 is about 413.4212665558.

The spelling of 70660782 in words is "seventy million, six hundred sixty thousand, seven hundred eighty-two".