73564743 has 8 divisors (see below), whose sum is σ = 112098688. Its totient is φ = 42036984.

The previous prime is 73564739. The next prime is 73564781. The reversal of 73564743 is 34746537.

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

It is not a de Polignac number, because 73564743 - 2² = 73564739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73564343) 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, 1751521 + ... + 1751562.

It is an arithmetic number, because the mean of its divisors is an integer number (14012336).

Almost surely, 2^73564743 is an apocalyptic number.

73564743 is a deficient number, since it is larger than the sum of its proper divisors (38533945).

73564743 is a wasteful number, since it uses less digits than its factorization.

73564743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503093.

The product of its digits is 211680, while the sum is 39.

The square root of 73564743 is about 8576.9891570411. The cubic root of 73564743 is about 419.0088932063.

The spelling of 73564743 in words is "seventy-three million, five hundred sixty-four thousand, seven hundred forty-three".