63012073 has 12 divisors (see below), whose sum is σ = 65750412. Its totient is φ = 60341760.

The previous prime is 63012049. The next prime is 63012091. The reversal of 63012073 is 37021036.

It can be written as a sum of positive squares in 6 ways, for example, as 1671849 + 61340224 = 1293^2 + 7832^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63012073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63012373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348043 + ... + 348223.

It is an arithmetic number, because the mean of its divisors is an integer number (5479201).

Almost surely, 2^63012073 is an apocalyptic number.

It is an amenable number.

63012073 is a deficient number, since it is larger than the sum of its proper divisors (2738339).

63012073 is an equidigital number, since it uses as much as digits as its factorization.

63012073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 63012073 is about 7938.0144242751. The cubic root of 63012073 is about 397.9311367099.

The spelling of 63012073 in words is "sixty-three million, twelve thousand, seventy-three".