73153673 has 2 divisors, whose sum is σ = 73153674. Its totient is φ = 73153672.

The previous prime is 73153657. The next prime is 73153681. The reversal of 73153673 is 37635137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54213769 + 18939904 = 7363^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 73153673 - 2⁴ = 73153657 is a prime.

It is not a weakly prime, because it can be changed into another prime (73153973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36576836 + 36576837.

It is an arithmetic number, because the mean of its divisors is an integer number (36576837).

Almost surely, 2^73153673 is an apocalyptic number.

It is an amenable number.

73153673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73153673 is an equidigital number, since it uses as much as digits as its factorization.

73153673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 35.

The square root of 73153673 is about 8552.9920495696. The cubic root of 73153673 is about 418.2269796603.

The spelling of 73153673 in words is "seventy-three million, one hundred fifty-three thousand, six hundred seventy-three".