70520287830428 has 6 divisors (see below), whose sum is σ = 123410503703256. Its totient is φ = 35260143915212.

The previous prime is 70520287830427. The next prime is 70520287830437. The reversal of 70520287830428 is 82403878202507.

It is a super-2 number, since 2×70520287830428² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70520287830427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8815035978800 + ... + 8815035978807.

It is an arithmetic number, because the mean of its divisors is an integer number (20568417283876).

Almost surely, 2^{70520287830428} is an apocalyptic number.

It is an amenable number.

70520287830428 is a deficient number, since it is larger than the sum of its proper divisors (52890215872828).

70520287830428 is a wasteful number, since it uses less digits than its factorization.

70520287830428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17630071957611 (or 17630071957609 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 70520287830428 in words is "seventy trillion, five hundred twenty billion, two hundred eighty-seven million, eight hundred thirty thousand, four hundred twenty-eight".