73961161 has 8 divisors (see below), whose sum is σ = 76966560. Its totient is φ = 71014272.

The previous prime is 73961149. The next prime is 73961227. The reversal of 73961161 is 16116937.

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 73961161 - 2¹³ = 73952969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73961141) 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, 12040 + ... + 17113.

It is an arithmetic number, because the mean of its divisors is an integer number (9620820).

Almost surely, 2^73961161 is an apocalyptic number.

It is an amenable number.

73961161 is a deficient number, since it is larger than the sum of its proper divisors (3005399).

73961161 is a wasteful number, since it uses less digits than its factorization.

73961161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29255.

The product of its digits is 6804, while the sum is 34.

The square root of 73961161 is about 8600.0674997351. The cubic root of 73961161 is about 419.7601824416.

The spelling of 73961161 in words is "seventy-three million, nine hundred sixty-one thousand, one hundred sixty-one".