73702225 has 27 divisors (see below), whose sum is σ = 98053651. Its totient is φ = 54944000.

The previous prime is 73702219. The next prime is 73702247. The reversal of 73702225 is 52220737.

The square root of 73702225 is 8585.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 154449 + 73547776 = 393^2 + 8576^2 .

It is not a de Polignac number, because 73702225 - 2³ = 73702217 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 73702193 and 73702202.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 729675 + ... + 729775.

Almost surely, 2^73702225 is an apocalyptic number.

73702225 is the 8585-th square number.

73702225 is the 4293-rd centered octagonal number.

It is an amenable number.

73702225 is a deficient number, since it is larger than the sum of its proper divisors (24351426).

73702225 is a wasteful number, since it uses less digits than its factorization.

73702225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The cubic root of 73702225 is about 419.2697533666.

The spelling of 73702225 in words is "seventy-three million, seven hundred two thousand, two hundred twenty-five".