73200725 has 24 divisors (see below), whose sum is σ = 103509000. Its totient is φ = 50872320.

The previous prime is 73200709. The next prime is 73200739. The reversal of 73200725 is 52700237.

It can be written as a sum of positive squares in 12 ways, for example, as 30924721 + 42276004 = 5561^2 + 6502^2 .

It is not a de Polignac number, because 73200725 - 2⁴ = 73200709 is a prime.

It is a super-2 number, since 2×73200725² = 10716692281051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73200694 and 73200703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1100 + ... + 12149.

It is an arithmetic number, because the mean of its divisors is an integer number (4312875).

Almost surely, 2^73200725 is an apocalyptic number.

It is an amenable number.

73200725 is a deficient number, since it is larger than the sum of its proper divisors (30308275).

73200725 is a wasteful number, since it uses less digits than its factorization.

73200725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13289 (or 13284 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 73200725 is about 8555.7422237933. The cubic root of 73200725 is about 418.3166274640.

The spelling of 73200725 in words is "seventy-three million, two hundred thousand, seven hundred twenty-five".