73650737 has 2 divisors, whose sum is σ = 73650738. Its totient is φ = 73650736.

The previous prime is 73650727. The next prime is 73650763. The reversal of 73650737 is 73705637.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65788321 + 7862416 = 8111^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 73650737 - 2²² = 69456433 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73650737.

It is not a weakly prime, because it can be changed into another prime (73650727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36825368 + 36825369.

It is an arithmetic number, because the mean of its divisors is an integer number (36825369).

Almost surely, 2^73650737 is an apocalyptic number.

It is an amenable number.

73650737 is a deficient number, since it is larger than the sum of its proper divisors (1).

73650737 is an equidigital number, since it uses as much as digits as its factorization.

73650737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 38.

The square root of 73650737 is about 8582.0007573992. Note that the first 3 decimals coincide. The cubic root of 73650737 is about 419.1720973825.

The spelling of 73650737 in words is "seventy-three million, six hundred fifty thousand, seven hundred thirty-seven".