73893970 has 8 divisors (see below), whose sum is σ = 133009164. Its totient is φ = 29557584.

The previous prime is 73893961. The next prime is 73893991. The reversal of 73893970 is 7939837.

It can be written as a sum of positive squares in 2 ways, for example, as 72437121 + 1456849 = 8511^2 + 1207^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 73893970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3694689 + ... + 3694708.

Almost surely, 2^73893970 is an apocalyptic number.

73893970 is a deficient number, since it is larger than the sum of its proper divisors (59115194).

73893970 is a wasteful number, since it uses less digits than its factorization.

73893970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389404.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 73893970 is about 8596.1601892938. The cubic root of 73893970 is about 419.6330316904.

The spelling of 73893970 in words is "seventy-three million, eight hundred ninety-three thousand, nine hundred seventy".