73774680 has 128 divisors (see below), whose sum is σ = 256711680. Its totient is φ = 16611840.

The previous prime is 73774661. The next prime is 73774691. The reversal of 73774680 is 8647737.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 59022 + ... + 60258.

It is an arithmetic number, because the mean of its divisors is an integer number (2005560).

Almost surely, 2^73774680 is an apocalyptic number.

73774680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73774680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128355840).

73774680 is an abundant number, since it is smaller than the sum of its proper divisors (182937000).

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

73774680 is a wasteful number, since it uses less digits than its factorization.

73774680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 73774680 is about 8589.2188236184. The cubic root of 73774680 is about 419.4070999244.

The spelling of 73774680 in words is "seventy-three million, seven hundred seventy-four thousand, six hundred eighty".