73414655761 has 2 divisors, whose sum is σ = 73414655762. Its totient is φ = 73414655760.

The previous prime is 73414655687. The next prime is 73414655789. The reversal of 73414655761 is 16755641437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59165697600 + 14248958161 = 243240^2 + 119369^2 .

It is a cyclic number.

It is not a de Polignac number, because 73414655761 - 2³¹ = 71267172113 is a prime.

It is a super-2 number, since 2×73414655761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73414652761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36707327880 + 36707327881.

It is an arithmetic number, because the mean of its divisors is an integer number (36707327881).

Almost surely, 2^73414655761 is an apocalyptic number.

It is an amenable number.

73414655761 is a deficient number, since it is larger than the sum of its proper divisors (1).

73414655761 is an equidigital number, since it uses as much as digits as its factorization.

73414655761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 49.

The spelling of 73414655761 in words is "seventy-three billion, four hundred fourteen million, six hundred fifty-five thousand, seven hundred sixty-one".