73876745 has 4 divisors (see below), whose sum is σ = 88652100. Its totient is φ = 59101392.

The previous prime is 73876741. The next prime is 73876757. The reversal of 73876745 is 54767837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54767837 = 163 ⋅335999.

It can be written as a sum of positive squares in 2 ways, for example, as 38402809 + 35473936 = 6197^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 73876745 - 2² = 73876741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73876745.

It is not an unprimeable number, because it can be changed into a prime (73876741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7387670 + ... + 7387679.

It is an arithmetic number, because the mean of its divisors is an integer number (22163025).

Almost surely, 2^73876745 is an apocalyptic number.

It is an amenable number.

73876745 is a deficient number, since it is larger than the sum of its proper divisors (14775355).

73876745 is a wasteful number, since it uses less digits than its factorization.

73876745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14775354.

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

The square root of 73876745 is about 8595.1582300735. The cubic root of 73876745 is about 419.6004230726.

The spelling of 73876745 in words is "seventy-three million, eight hundred seventy-six thousand, seven hundred forty-five".