73428767 has 2 divisors, whose sum is σ = 73428768. Its totient is φ = 73428766.

The previous prime is 73428727. The next prime is 73428769. The reversal of 73428767 is 76782437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73428767 - 2⁶ = 73428703 is a prime.

Together with 73428769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73428769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36714383 + 36714384.

It is an arithmetic number, because the mean of its divisors is an integer number (36714384).

Almost surely, 2^73428767 is an apocalyptic number.

73428767 is a deficient number, since it is larger than the sum of its proper divisors (1).

73428767 is an equidigital number, since it uses as much as digits as its factorization.

73428767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 73428767 is about 8569.0586997639. The cubic root of 73428767 is about 418.7505706683.

The spelling of 73428767 in words is "seventy-three million, four hundred twenty-eight thousand, seven hundred sixty-seven".