70628616 has 48 divisors (see below), whose sum is σ = 193000860. Its totient is φ = 23331840.

The previous prime is 70628611. The next prime is 70628617. The reversal of 70628616 is 61682607.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 1572516 = 8310^2 + 1254^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70628611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3796 + ... + 12476.

Almost surely, 2^70628616 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 70628616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96500430).

70628616 is an abundant number, since it is smaller than the sum of its proper divisors (122372244).

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

70628616 is a wasteful number, since it uses less digits than its factorization.

70628616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806 (or 8799 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70628616 is about 8404.0832932569. The cubic root of 70628616 is about 413.3585248839.

The spelling of 70628616 in words is "seventy million, six hundred twenty-eight thousand, six hundred sixteen".