73972760725 has 12 divisors (see below), whose sum is σ = 91954979460. Its totient is φ = 59030624000.

The previous prime is 73972760689. The next prime is 73972760777. The reversal of 73972760725 is 52706727937.

It can be written as a sum of positive squares in 6 ways, for example, as 185014404 + 73787746321 = 13602^2 + 271639^2 .

It is not a de Polignac number, because 73972760725 - 2¹³ = 73972752533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3679390 + ... + 3699439.

It is an arithmetic number, because the mean of its divisors is an integer number (7662914955).

Almost surely, 2^73972760725 is an apocalyptic number.

It is an amenable number.

73972760725 is a deficient number, since it is larger than the sum of its proper divisors (17982218735).

73972760725 is a wasteful number, since it uses less digits than its factorization.

73972760725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379240 (or 7379235 counting only the distinct ones).

The product of its (nonzero) digits is 7779240, while the sum is 55.

The spelling of 73972760725 in words is "seventy-three billion, nine hundred seventy-two million, seven hundred sixty thousand, seven hundred twenty-five".