70620616 has 32 divisors (see below), whose sum is σ = 144892800. Its totient is φ = 32002240.

The previous prime is 70620569. The next prime is 70620617. The reversal of 70620616 is 61602607.

It is not an unprimeable number, because it can be changed into a prime (70620617) 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, 33201 + ... + 35263.

It is an arithmetic number, because the mean of its divisors is an integer number (4527900).

Almost surely, 2^70620616 is an apocalyptic number.

It is an amenable number.

70620616 is an abundant number, since it is smaller than the sum of its proper divisors (74272184).

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

70620616 is a wasteful number, since it uses less digits than its factorization.

70620616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 70620616 is about 8403.6073206689. The cubic root of 70620616 is about 413.3429174561.

Subtracting from 70620616 its reverse (61602607), we obtain a square (9018009 = 3003²).

The spelling of 70620616 in words is "seventy million, six hundred twenty thousand, six hundred sixteen".