73070825 has 6 divisors (see below), whose sum is σ = 90607854. Its totient is φ = 58456640.

The previous prime is 73070797. The next prime is 73070831. The reversal of 73070825 is 52807037.

It can be written as a sum of positive squares in 3 ways, for example, as 13039321 + 60031504 = 3611^2 + 7748^2 .

It is not a de Polignac number, because 73070825 - 2⁶ = 73070761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73070791 and 73070800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1461392 + ... + 1461441.

It is an arithmetic number, because the mean of its divisors is an integer number (15101309).

Almost surely, 2^73070825 is an apocalyptic number.

It is an amenable number.

73070825 is a deficient number, since it is larger than the sum of its proper divisors (17537029).

73070825 is a wasteful number, since it uses less digits than its factorization.

73070825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922843 (or 2922838 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 73070825 is about 8548.1474601226. The cubic root of 73070825 is about 418.0690365434.

The spelling of 73070825 in words is "seventy-three million, seventy thousand, eight hundred twenty-five".