73023961 has 2 divisors, whose sum is σ = 73023962. Its totient is φ = 73023960.

The previous prime is 73023949. The next prime is 73023989. The reversal of 73023961 is 16932037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72999936 + 24025 = 8544^2 + 155^2 .

It is an emirp because it is prime and its reverse (16932037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73023961 - 2⁷ = 73023833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73023901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36511980 + 36511981.

It is an arithmetic number, because the mean of its divisors is an integer number (36511981).

Almost surely, 2^73023961 is an apocalyptic number.

It is an amenable number.

73023961 is a deficient number, since it is larger than the sum of its proper divisors (1).

73023961 is an equidigital number, since it uses as much as digits as its factorization.

73023961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 73023961 is about 8545.4058417374. The cubic root of 73023961 is about 417.9796411870.

Adding to 73023961 its reverse (16932037), we get a palindrome (89955998).

It can be divided in two parts, 73023 and 961, that added together give a square (73984 = 272²).

The spelling of 73023961 in words is "seventy-three million, twenty-three thousand, nine hundred sixty-one".