73773774 has 64 divisors (see below), whose sum is σ = 169128000. Its totient is φ = 23826816.

The previous prime is 73773773. The next prime is 73773809. The reversal of 73773774 is 47737737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73773773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426352 + ... + 426524.

It is an arithmetic number, because the mean of its divisors is an integer number (2642625).

Almost surely, 2^73773774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73773774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84564000).

73773774 is an abundant number, since it is smaller than the sum of its proper divisors (95354226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73773774 is a wasteful number, since it uses less digits than its factorization.

73773774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 380 counting only the distinct ones).

The product of its digits is 605052, while the sum is 45.

The square root of 73773774 is about 8589.1660829210. The cubic root of 73773774 is about 419.4053830554.

It can be divided in two parts, 73773 and 774, that added together give a palindrome (74547).

The spelling of 73773774 in words is "seventy-three million, seven hundred seventy-three thousand, seven hundred seventy-four".