72773071 has 8 divisors (see below), whose sum is σ = 85103744. Its totient is φ = 60926040.

The previous prime is 72773053. The next prime is 72773147. The reversal of 72773071 is 17037727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72773071 - 2⁹ = 72772559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72773171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120585 + ... + 121186.

It is an arithmetic number, because the mean of its divisors is an integer number (10637968).

Almost surely, 2^72773071 is an apocalyptic number.

72773071 is a deficient number, since it is larger than the sum of its proper divisors (12330673).

72773071 is a wasteful number, since it uses less digits than its factorization.

72773071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241821.

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 72773071 is about 8530.7133933804. The cubic root of 72773071 is about 417.5004046992.

The spelling of 72773071 in words is "seventy-two million, seven hundred seventy-three thousand, seventy-one".