73044737 has 2 divisors, whose sum is σ = 73044738. Its totient is φ = 73044736.

The previous prime is 73044691. The next prime is 73044787. The reversal of 73044737 is 73744037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 17631601 = 7444^2 + 4199^2 .

It is a cyclic number.

It is not a de Polignac number, because 73044737 - 2¹² = 73040641 is a prime.

It is equal to p_4286564 and since 73044737 and 4286564 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 73044697 and 73044706.

It is not a weakly prime, because it can be changed into another prime (73044787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36522368 + 36522369.

It is an arithmetic number, because the mean of its divisors is an integer number (36522369).

Almost surely, 2^73044737 is an apocalyptic number.

It is an amenable number.

73044737 is a deficient number, since it is larger than the sum of its proper divisors (1).

73044737 is an equidigital number, since it uses as much as digits as its factorization.

73044737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 73044737 is about 8546.6213792352. The cubic root of 73044737 is about 418.0192771342.

The spelling of 73044737 in words is "seventy-three million, forty-four thousand, seven hundred thirty-seven".