73778274 has 12 divisors (see below), whose sum is σ = 159852966. Its totient is φ = 24592752.

The previous prime is 73778267. The next prime is 73778293. The reversal of 73778274 is 47287737.

73778274 is a `hidden beast` number, since 7 + 377 + 8 + 274 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 13638249 = 7755^2 + 3693^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 2049379 + ... + 2049414.

Almost surely, 2^73778274 is an apocalyptic number.

73778274 is an abundant number, since it is smaller than the sum of its proper divisors (86074692).

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

73778274 is a wasteful number, since it uses less digits than its factorization.

73778274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098801 (or 4098798 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 73778274 is about 8589.4280368369. The cubic root of 73778274 is about 419.4139104120.

It can be divided in two parts, 7377 and 8274, that added together give a palindrome (15651).

The spelling of 73778274 in words is "seventy-three million, seven hundred seventy-eight thousand, two hundred seventy-four".