73321870 has 8 divisors (see below), whose sum is σ = 131979384. Its totient is φ = 29328744.

The previous prime is 73321847. The next prime is 73321877. The reversal of 73321870 is 7812337.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73321877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666084 + ... + 3666103.

It is an arithmetic number, because the mean of its divisors is an integer number (16497423).

Almost surely, 2^73321870 is an apocalyptic number.

73321870 is a deficient number, since it is larger than the sum of its proper divisors (58657514).

73321870 is a wasteful number, since it uses less digits than its factorization.

73321870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332194.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 73321870 is about 8562.8190451510. The cubic root of 73321870 is about 418.5472674257.

The spelling of 73321870 in words is "seventy-three million, three hundred twenty-one thousand, eight hundred seventy".