73661479 has 8 divisors (see below), whose sum is σ = 79515360. Its totient is φ = 68028576.

The previous prime is 73661477. The next prime is 73661501. The reversal of 73661479 is 97416637.

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 73661479 - 2¹ = 73661477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73661477) 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, 54552 + ... + 55885.

It is an arithmetic number, because the mean of its divisors is an integer number (9939420).

Almost surely, 2^73661479 is an apocalyptic number.

73661479 is a deficient number, since it is larger than the sum of its proper divisors (5853881).

73661479 is a wasteful number, since it uses less digits than its factorization.

73661479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110489.

The product of its digits is 190512, while the sum is 43.

The square root of 73661479 is about 8582.6265793171. The cubic root of 73661479 is about 419.1924752178.

The spelling of 73661479 in words is "seventy-three million, six hundred sixty-one thousand, four hundred seventy-nine".