61091673 has 8 divisors (see below), whose sum is σ = 81536448. Its totient is φ = 40687344.

The previous prime is 61091651. The next prime is 61091687. The reversal of 61091673 is 37619016.

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

It is not a de Polignac number, because 61091673 - 2⁸ = 61091417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61099673) 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, 6390 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (10192056).

Almost surely, 2^61091673 is an apocalyptic number.

It is an amenable number.

61091673 is a deficient number, since it is larger than the sum of its proper divisors (20444775).

61091673 is a wasteful number, since it uses less digits than its factorization.

61091673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 61091673 is about 7816.1162350620. The cubic root of 61091673 is about 393.8468166057.

The spelling of 61091673 in words is "sixty-one million, ninety-one thousand, six hundred seventy-three".