73473745 has 16 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 55162624.

The previous prime is 73473727. The next prime is 73473761. The reversal of 73473745 is 54737437.

It is a cyclic number.

It is not a de Polignac number, because 73473745 - 2⁹ = 73473233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73473698 and 73473707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34584 + ... + 36646.

It is an arithmetic number, because the mean of its divisors is an integer number (5851440).

Almost surely, 2^73473745 is an apocalyptic number.

It is an amenable number.

73473745 is a deficient number, since it is larger than the sum of its proper divisors (20149295).

73473745 is a wasteful number, since it uses less digits than its factorization.

73473745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504.

The product of its digits is 246960, while the sum is 40.

The square root of 73473745 is about 8571.6827402792. The cubic root of 73473745 is about 418.8360536000.

The spelling of 73473745 in words is "seventy-three million, four hundred seventy-three thousand, seven hundred forty-five".