73767725 has 6 divisors (see below), whose sum is σ = 91472010. Its totient is φ = 59014160.

The previous prime is 73767697. The next prime is 73767767. The reversal of 73767725 is 52776737.

It can be written as a sum of positive squares in 3 ways, for example, as 3694084 + 70073641 = 1922^2 + 8371^2 .

It is not a de Polignac number, because 73767725 - 2¹⁴ = 73751341 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, 1475330 + ... + 1475379.

It is an arithmetic number, because the mean of its divisors is an integer number (15245335).

Almost surely, 2^73767725 is an apocalyptic number.

It is an amenable number.

73767725 is a deficient number, since it is larger than the sum of its proper divisors (17704285).

73767725 is a wasteful number, since it uses less digits than its factorization.

73767725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950719 (or 2950714 counting only the distinct ones).

The product of its digits is 432180, while the sum is 44.

The square root of 73767725 is about 8588.8139460580. The cubic root of 73767725 is about 419.3939198467.

The spelling of 73767725 in words is "seventy-three million, seven hundred sixty-seven thousand, seven hundred twenty-five".