73042051 has 2 divisors, whose sum is σ = 73042052. Its totient is φ = 73042050.

The previous prime is 73042049. The next prime is 73042087. The reversal of 73042051 is 15024037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73042051 - 2¹ = 73042049 is a prime.

Together with 73042049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73042091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36521025 + 36521026.

It is an arithmetic number, because the mean of its divisors is an integer number (36521026).

Almost surely, 2^73042051 is an apocalyptic number.

73042051 is a deficient number, since it is larger than the sum of its proper divisors (1).

73042051 is an equidigital number, since it uses as much as digits as its factorization.

73042051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 73042051 is about 8546.4642396725. The cubic root of 73042051 is about 418.0141532718.

Adding to 73042051 its reverse (15024037), we get a palindrome (88066088).

The spelling of 73042051 in words is "seventy-three million, forty-two thousand, fifty-one".