73782401 has 8 divisors (see below), whose sum is σ = 91988544. Its totient is φ = 57492720.

The previous prime is 73782383. The next prime is 73782421. The reversal of 73782401 is 10428737.

It is a happy number.

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 73782401 - 2⁶ = 73782337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73782421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 479030 + ... + 479183.

It is an arithmetic number, because the mean of its divisors is an integer number (11498568).

Almost surely, 2^73782401 is an apocalyptic number.

It is an amenable number.

73782401 is a deficient number, since it is larger than the sum of its proper divisors (18206143).

73782401 is a wasteful number, since it uses less digits than its factorization.

73782401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958231.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 73782401 is about 8589.6682706610. The cubic root of 73782401 is about 419.4217306408.

It can be divided in two parts, 7378 and 2401, that added together give a palindrome (9779).

The spelling of 73782401 in words is "seventy-three million, seven hundred eighty-two thousand, four hundred one".