70515016 has 64 divisors (see below), whose sum is σ = 158397120. Its totient is φ = 29003520.

The previous prime is 70514981. The next prime is 70515017. The reversal of 70515016 is 61051507.

It is not an unprimeable number, because it can be changed into a prime (70515017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60051 + ... + 61213.

It is an arithmetic number, because the mean of its divisors is an integer number (2474955).

Almost surely, 2^70515016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70515016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79198560).

70515016 is an abundant number, since it is smaller than the sum of its proper divisors (87882104).

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

70515016 is a wasteful number, since it uses less digits than its factorization.

70515016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 70515016 is about 8397.3219540518. The cubic root of 70515016 is about 413.1367888543.

It can be divided in two parts, 7051501 and 6, that added together give a palindrome (7051507).

The spelling of 70515016 in words is "seventy million, five hundred fifteen thousand, sixteen".