73619745 has 16 divisors (see below), whose sum is σ = 118895040. Its totient is φ = 38896064.

The previous prime is 73619743. The next prime is 73619783. The reversal of 73619745 is 54791637.

It is a cyclic number.

It is not a de Polignac number, because 73619745 - 2¹ = 73619743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73619697 and 73619706.

It is not an unprimeable number, because it can be changed into a prime (73619743) 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 15 ways as a sum of consecutive naturals, for example, 21330 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (7430940).

Almost surely, 2^73619745 is an apocalyptic number.

It is an amenable number.

73619745 is a deficient number, since it is larger than the sum of its proper divisors (45275295).

73619745 is a wasteful number, since it uses less digits than its factorization.

73619745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45984.

The product of its digits is 158760, while the sum is 42.

The square root of 73619745 is about 8580.1949278557. The cubic root of 73619745 is about 419.1132936973.

The spelling of 73619745 in words is "seventy-three million, six hundred nineteen thousand, seven hundred forty-five".