70080780 has 216 divisors, whose sum is σ = 252174384. Its totient is φ = 14488320.

The previous prime is 70080707. The next prime is 70080781. The reversal of 70080780 is 8708007.

It is a happy number.

It is a super-2 number, since 2×70080780² = 9822631450816800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (70080781) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 355642 + ... + 355838.

It is an arithmetic number, because the mean of its divisors is an integer number (1167474).

Almost surely, 2^70080780 is an apocalyptic number.

70080780 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 70080780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126087192).

70080780 is an abundant number, since it is smaller than the sum of its proper divisors (182093604).

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

70080780 is a wasteful number, since it uses less digits than its factorization.

70080780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 70080780 is about 8371.4264017550. The cubic root of 70080780 is about 412.2870011458.

Adding to 70080780 its reverse (8708007), we get a palindrome (78788787).

The spelling of 70080780 in words is "seventy million, eighty thousand, seven hundred eighty".