73321977 has 8 divisors (see below), whose sum is σ = 97812064. Its totient is φ = 48856608.

The previous prime is 73321961. The next prime is 73321979. The reversal of 73321977 is 77912337.

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

It is not a de Polignac number, because 73321977 - 2⁴ = 73321961 is a prime.

It is a super-2 number, since 2×73321977² = 10752224622377058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73321979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478 + ... + 12360.

It is an arithmetic number, because the mean of its divisors is an integer number (12226508).

Almost surely, 2^73321977 is an apocalyptic number.

It is an amenable number.

73321977 is a deficient number, since it is larger than the sum of its proper divisors (24490087).

73321977 is a wasteful number, since it uses less digits than its factorization.

73321977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359.

The product of its digits is 55566, while the sum is 39.

The square root of 73321977 is about 8562.8252930911. The cubic root of 73321977 is about 418.5474710236.

The spelling of 73321977 in words is "seventy-three million, three hundred twenty-one thousand, nine hundred seventy-seven".