73072079 has 2 divisors, whose sum is σ = 73072080. Its totient is φ = 73072078.

The previous prime is 73072073. The next prime is 73072123. The reversal of 73072079 is 97027037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73072079 - 2¹² = 73067983 is a prime.

It is equal to p_4288058 and since 73072079 and 4288058 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73072073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36536039 + 36536040.

It is an arithmetic number, because the mean of its divisors is an integer number (36536040).

Almost surely, 2^73072079 is an apocalyptic number.

73072079 is a deficient number, since it is larger than the sum of its proper divisors (1).

73072079 is an equidigital number, since it uses as much as digits as its factorization.

73072079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 73072079 is about 8548.2208090339. The cubic root of 73072079 is about 418.0714280842.

The spelling of 73072079 in words is "seventy-three million, seventy-two thousand, seventy-nine".