73452025 has 6 divisors (see below), whose sum is σ = 91080542. Its totient is φ = 58761600.

The previous prime is 73452007. The next prime is 73452037. The reversal of 73452025 is 52025437.

It can be written as a sum of positive squares in 3 ways, for example, as 4545424 + 68906601 = 2132^2 + 8301^2 .

It is not a de Polignac number, because 73452025 - 2¹⁹ = 72927737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73451984 and 73452002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1469016 + ... + 1469065.

Almost surely, 2^73452025 is an apocalyptic number.

It is an amenable number.

73452025 is a deficient number, since it is larger than the sum of its proper divisors (17628517).

73452025 is a wasteful number, since it uses less digits than its factorization.

73452025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938091 (or 2938086 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 73452025 is about 8570.4156842011. The cubic root of 73452025 is about 418.7947780140.

The spelling of 73452025 in words is "seventy-three million, four hundred fifty-two thousand, twenty-five".