73725973 has 2 divisors, whose sum is σ = 73725974. Its totient is φ = 73725972.

The previous prime is 73725961. The next prime is 73726007. The reversal of 73725973 is 37952737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61496964 + 12229009 = 7842^2 + 3497^2 .

It is a cyclic number.

It is not a de Polignac number, because 73725973 - 2²⁵ = 40171541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73725943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36862986 + 36862987.

It is an arithmetic number, because the mean of its divisors is an integer number (36862987).

Almost surely, 2^73725973 is an apocalyptic number.

It is an amenable number.

73725973 is a deficient number, since it is larger than the sum of its proper divisors (1).

73725973 is an equidigital number, since it uses as much as digits as its factorization.

73725973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 43.

The square root of 73725973 is about 8586.3829986788. The cubic root of 73725973 is about 419.3147802700.

The spelling of 73725973 in words is "seventy-three million, seven hundred twenty-five thousand, nine hundred seventy-three".