73666741 has 8 divisors (see below), whose sum is σ = 75911384. Its totient is φ = 71435520.

The previous prime is 73666657. The next prime is 73666753. The reversal of 73666741 is 14766637.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 72335025 = 1154^2 + 8505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73666741 - 2⁷ = 73666613 is a prime.

It is a super-2 number, since 2×73666741² = 10853577459122162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73666694 and 73666703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73669741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8401 + ... + 14761.

It is an arithmetic number, because the mean of its divisors is an integer number (9488923).

Almost surely, 2^73666741 is an apocalyptic number.

It is an amenable number.

73666741 is a deficient number, since it is larger than the sum of its proper divisors (2244643).

73666741 is a wasteful number, since it uses less digits than its factorization.

73666741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711.

The product of its digits is 127008, while the sum is 40.

The square root of 73666741 is about 8582.9331233559. The cubic root of 73666741 is about 419.2024566369.

The spelling of 73666741 in words is "seventy-three million, six hundred sixty-six thousand, seven hundred forty-one".