73778074 has 8 divisors (see below), whose sum is σ = 113658228. Its totient is φ = 35892000.

The previous prime is 73778071. The next prime is 73778077. The reversal of 73778074 is 47087737.

It is an interprime number because it is at equal distance from previous prime (73778071) and next prime (73778077).

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 3972049 = 8355^2 + 1993^2 .

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 73778074.

It is not an unprimeable number, because it can be changed into a prime (73778071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 498427 + ... + 498574.

Almost surely, 2^73778074 is an apocalyptic number.

73778074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

73778074 is a deficient number, since it is larger than the sum of its proper divisors (39880154).

73778074 is a wasteful number, since it uses less digits than its factorization.

73778074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997040.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 73778074 is about 8589.4163946103. The cubic root of 73778074 is about 419.4135314258.

It can be divided in two parts, 7377 and 8074, that added together give a palindrome (15451).

The spelling of 73778074 in words is "seventy-three million, seven hundred seventy-eight thousand, seventy-four".