73786745 has 4 divisors (see below), whose sum is σ = 88544100. Its totient is φ = 59029392.

The previous prime is 73786733. The next prime is 73786771. The reversal of 73786745 is 54768737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24730729 + 49056016 = 4973^2 + 7004^2 .

It is a cyclic number.

It is not a de Polignac number, because 73786745 - 2¹⁶ = 73721209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73786745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7378670 + ... + 7378679.

It is an arithmetic number, because the mean of its divisors is an integer number (22136025).

Almost surely, 2^73786745 is an apocalyptic number.

It is an amenable number.

73786745 is a deficient number, since it is larger than the sum of its proper divisors (14757355).

73786745 is a wasteful number, since it uses less digits than its factorization.

73786745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14757354.

The product of its digits is 987840, while the sum is 47.

The square root of 73786745 is about 8589.9211288579. The cubic root of 73786745 is about 419.4299617466.

The spelling of 73786745 in words is "seventy-three million, seven hundred eighty-six thousand, seven hundred forty-five".