73127972 has 12 divisors (see below), whose sum is σ = 128244480. Its totient is φ = 36486696.

The previous prime is 73127953. The next prime is 73127981. The reversal of 73127972 is 27972137.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17168 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (10687040).

Almost surely, 2^73127972 is an apocalyptic number.

It is an amenable number.

73127972 is a deficient number, since it is larger than the sum of its proper divisors (55116508).

73127972 is a wasteful number, since it uses less digits than its factorization.

73127972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38650 (or 38648 counting only the distinct ones).

The product of its digits is 37044, while the sum is 38.

The square root of 73127972 is about 8551.4894609068. The cubic root of 73127972 is about 418.1779955141.

The spelling of 73127972 in words is "seventy-three million, one hundred twenty-seven thousand, nine hundred seventy-two".