70106780 has 48 divisors (see below), whose sum is σ = 150504480. Its totient is φ = 27426048.

The previous prime is 70106719. The next prime is 70106797. The reversal of 70106780 is 8760107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260486 + ... + 260754.

It is an arithmetic number, because the mean of its divisors is an integer number (3135510).

Almost surely, 2^70106780 is an apocalyptic number.

It is an amenable number.

70106780 is an abundant number, since it is smaller than the sum of its proper divisors (80397700).

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

70106780 is a wasteful number, since it uses less digits than its factorization.

70106780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 70106780 is about 8372.9791591763. The cubic root of 70106780 is about 412.3379810610.

Adding to 70106780 its reverse (8760107), we get a palindrome (78866887).

The spelling of 70106780 in words is "seventy million, one hundred six thousand, seven hundred eighty".