84070625 has 10 divisors (see below), whose sum is σ = 105055434. Its totient is φ = 67256000.

The previous prime is 84070601. The next prime is 84070643. The reversal of 84070625 is 52607048.

It can be written as a sum of positive squares in 5 ways, for example, as 24364096 + 59706529 = 4936^2 + 7727^2 .

It is a de Polignac number, because none of the positive numbers 2^k-84070625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84070591 and 84070600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 66632 + ... + 67881.

Almost surely, 2^84070625 is an apocalyptic number.

It is an amenable number.

84070625 is a deficient number, since it is larger than the sum of its proper divisors (20984809).

84070625 is an equidigital number, since it uses as much as digits as its factorization.

84070625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134533 (or 134518 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 84070625 is about 9169.0034900201. The cubic root of 84070625 is about 438.0746191058.

The spelling of 84070625 in words is "eighty-four million, seventy thousand, six hundred twenty-five".