73045747 has 8 divisors (see below), whose sum is σ = 76988160. Its totient is φ = 69113160.

The previous prime is 73045729. The next prime is 73045781. The reversal of 73045747 is 74754037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73045747 - 2²³ = 64657139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73045547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16722 + ... + 20632.

It is an arithmetic number, because the mean of its divisors is an integer number (9623520).

Almost surely, 2^73045747 is an apocalyptic number.

73045747 is a deficient number, since it is larger than the sum of its proper divisors (3942413).

73045747 is a wasteful number, since it uses less digits than its factorization.

73045747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 73045747 is about 8546.6804667075. The cubic root of 73045747 is about 418.0212037961.

The spelling of 73045747 in words is "seventy-three million, forty-five thousand, seven hundred forty-seven".