84750625 has 10 divisors (see below), whose sum is σ = 105905162. Its totient is φ = 67800000.

The previous prime is 84750599. The next prime is 84750629. The reversal of 84750625 is 52605748.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 41835024 + 42915601 = 6468^2 + 6551^2 .

It is a de Polignac number, because none of the positive numbers 2^k-84750625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84750629) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67176 + ... + 68425.

Almost surely, 2^84750625 is an apocalyptic number.

It is an amenable number.

84750625 is a deficient number, since it is larger than the sum of its proper divisors (21154537).

84750625 is an equidigital number, since it uses as much as digits as its factorization.

84750625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135621 (or 135606 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 84750625 is about 9206.0102650388. The cubic root of 84750625 is about 439.2525619517.

The spelling of 84750625 in words is "eighty-four million, seven hundred fifty thousand, six hundred twenty-five".