73712734 has 4 divisors (see below), whose sum is σ = 110569104. Its totient is φ = 36856366.

The previous prime is 73712719. The next prime is 73712753. The reversal of 73712734 is 43721737.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73712734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18428182 + ... + 18428185.

It is an arithmetic number, because the mean of its divisors is an integer number (27642276).

Almost surely, 2^73712734 is an apocalyptic number.

73712734 is a deficient number, since it is larger than the sum of its proper divisors (36856370).

73712734 is a wasteful number, since it uses less digits than its factorization.

73712734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36856369.

The product of its digits is 24696, while the sum is 34.

The square root of 73712734 is about 8585.6120340952. The cubic root of 73712734 is about 419.2896799312.

The spelling of 73712734 in words is "seventy-three million, seven hundred twelve thousand, seven hundred thirty-four".