73725169 has 4 divisors (see below), whose sum is σ = 84257344. Its totient is φ = 63192996.

The previous prime is 73725103. The next prime is 73725199. The reversal of 73725169 is 96152737.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73725169 - 2¹⁵ = 73692401 is a prime.

It is a super-2 number, since 2×73725169² = 10870801088157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73725199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5266077 + ... + 5266090.

It is an arithmetic number, because the mean of its divisors is an integer number (21064336).

Almost surely, 2^73725169 is an apocalyptic number.

It is an amenable number.

73725169 is a deficient number, since it is larger than the sum of its proper divisors (10532175).

73725169 is a wasteful number, since it uses less digits than its factorization.

73725169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532174.

The product of its digits is 79380, while the sum is 40.

The square root of 73725169 is about 8586.3361802343. The cubic root of 73725169 is about 419.3132560206.

The spelling of 73725169 in words is "seventy-three million, seven hundred twenty-five thousand, one hundred sixty-nine".