73229725 has 6 divisors (see below), whose sum is σ = 90804890. Its totient is φ = 58583760.

The previous prime is 73229711. The next prime is 73229749. The reversal of 73229725 is 52792237.

It can be written as a sum of positive squares in 3 ways, for example, as 2316484 + 70913241 = 1522^2 + 8421^2 .

It is not a de Polignac number, because 73229725 - 2¹⁷ = 73098653 is a prime.

It is a congruent number.

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, 1464570 + ... + 1464619.

Almost surely, 2^73229725 is an apocalyptic number.

It is an amenable number.

73229725 is a deficient number, since it is larger than the sum of its proper divisors (17575165).

73229725 is a wasteful number, since it uses less digits than its factorization.

73229725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929199 (or 2929194 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 73229725 is about 8557.4368241898. The cubic root of 73229725 is about 418.3718618010.

The spelling of 73229725 in words is "seventy-three million, two hundred twenty-nine thousand, seven hundred twenty-five".