70616020 has 24 divisors (see below), whose sum is σ = 148466304. Its totient is φ = 28213536.

The previous prime is 70615973. The next prime is 70616023. The reversal of 70616020 is 2061607.

It is a junction number, because it is equal to n+sod(n) for n = 70615982 and 70616000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616023) 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, 23017 + ... + 25903.

It is an arithmetic number, because the mean of its divisors is an integer number (6186096).

Almost surely, 2^70616020 is an apocalyptic number.

It is an amenable number.

70616020 is an abundant number, since it is smaller than the sum of its proper divisors (77850284).

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

70616020 is a wasteful number, since it uses less digits than its factorization.

70616020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 70616020 is about 8403.3338622240. Note that the first 3 decimals coincide. The cubic root of 70616020 is about 413.3339504558. Note that the first 3 decimals are identical.

Adding to 70616020 its reverse (2061607), we get a palindrome (72677627).

The spelling of 70616020 in words is "seventy million, six hundred sixteen thousand, twenty".