70126780 has 12 divisors (see below), whose sum is σ = 147266280. Its totient is φ = 28050704.

The previous prime is 70126753. The next prime is 70126781. The reversal of 70126780 is 8762107.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70126781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753150 + ... + 1753189.

It is an arithmetic number, because the mean of its divisors is an integer number (12272190).

Almost surely, 2^70126780 is an apocalyptic number.

It is an amenable number.

70126780 is an abundant number, since it is smaller than the sum of its proper divisors (77139500).

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

70126780 is a wasteful number, since it uses less digits than its factorization.

70126780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506348 (or 3506346 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 70126780 is about 8374.1733920429. The cubic root of 70126780 is about 412.3771878040.

Adding to 70126780 its reverse (8762107), we get a palindrome (78888887).

The spelling of 70126780 in words is "seventy million, one hundred twenty-six thousand, seven hundred eighty".