73732225 has 24 divisors (see below), whose sum is σ = 106217408. Its totient is φ = 49723200.

The previous prime is 73732193. The next prime is 73732259. The reversal of 73732225 is 52223737.

It is not a de Polignac number, because 73732225 - 2⁵ = 73732193 is a prime.

It is a Duffinian 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, 7222 + ... + 14128.

Almost surely, 2^73732225 is an apocalyptic number.

It is an amenable number.

73732225 is a deficient number, since it is larger than the sum of its proper divisors (32485183).

73732225 is a wasteful number, since it uses less digits than its factorization.

73732225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985 (or 6980 counting only the distinct ones).

The product of its digits is 17640, while the sum is 31.

The square root of 73732225 is about 8586.7470557831. The cubic root of 73732225 is about 419.3266326371.

The spelling of 73732225 in words is "seventy-three million, seven hundred thirty-two thousand, two hundred twenty-five".