73437401 has 2 divisors, whose sum is σ = 73437402. Its totient is φ = 73437400.

The previous prime is 73437389. The next prime is 73437443. The reversal of 73437401 is 10473437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 14899600 = 7651^2 + 3860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73437401 is a prime.

It is not a weakly prime, because it can be changed into another prime (73437101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36718700 + 36718701.

It is an arithmetic number, because the mean of its divisors is an integer number (36718701).

Almost surely, 2^73437401 is an apocalyptic number.

It is an amenable number.

73437401 is a deficient number, since it is larger than the sum of its proper divisors (1).

73437401 is an equidigital number, since it uses as much as digits as its factorization.

73437401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 73437401 is about 8569.5624742457. The cubic root of 73437401 is about 418.7669827225.

The spelling of 73437401 in words is "seventy-three million, four hundred thirty-seven thousand, four hundred one".