73966330 has 16 divisors (see below), whose sum is σ = 136738440. Its totient is φ = 28786752.

The previous prime is 73966307. The next prime is 73966349. The reversal of 73966330 is 3366937.

It can be written as a sum of positive squares in 4 ways, for example, as 72641529 + 1324801 = 8523^2 + 1151^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 73966330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99585 + ... + 100324.

Almost surely, 2^73966330 is an apocalyptic number.

73966330 is a deficient number, since it is larger than the sum of its proper divisors (62772110).

73966330 is a wasteful number, since it uses less digits than its factorization.

73966330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199953.

The product of its (nonzero) digits is 61236, while the sum is 37.

The square root of 73966330 is about 8600.3680153817. The cubic root of 73966330 is about 419.7699609515.

The spelling of 73966330 in words is "seventy-three million, nine hundred sixty-six thousand, three hundred thirty".