70516020 has 24 divisors (see below), whose sum is σ = 197445024. Its totient is φ = 18804256.

The previous prime is 70516013. The next prime is 70516021. The reversal of 70516020 is 2061507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70516021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587574 + ... + 587693.

It is an arithmetic number, because the mean of its divisors is an integer number (8226876).

Almost surely, 2^70516020 is an apocalyptic number.

It is an amenable number.

70516020 is an abundant number, since it is smaller than the sum of its proper divisors (126929004).

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

70516020 is a wasteful number, since it uses less digits than its factorization.

70516020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175279 (or 1175277 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70516020 is about 8397.3817348028. The cubic root of 70516020 is about 413.1387496063.

Adding to 70516020 its reverse (2061507), we get a palindrome (72577527).

The spelling of 70516020 in words is "seventy million, five hundred sixteen thousand, twenty".