73615051 has 2 divisors, whose sum is σ = 73615052. Its totient is φ = 73615050.

The previous prime is 73615043. The next prime is 73615081. The reversal of 73615051 is 15051637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73615051 - 2³ = 73615043 is a prime.

It is not a weakly prime, because it can be changed into another prime (73615081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36807525 + 36807526.

It is an arithmetic number, because the mean of its divisors is an integer number (36807526).

Almost surely, 2^73615051 is an apocalyptic number.

73615051 is a deficient number, since it is larger than the sum of its proper divisors (1).

73615051 is an equidigital number, since it uses as much as digits as its factorization.

73615051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 73615051 is about 8579.9213865862. The cubic root of 73615051 is about 419.1043859438.

Adding to 73615051 its reverse (15051637), we get a palindrome (88666688).

The spelling of 73615051 in words is "seventy-three million, six hundred fifteen thousand, fifty-one".