73145734 has 8 divisors (see below), whose sum is σ = 109929960. Its totient is φ = 36502416.

The previous prime is 73145731. The next prime is 73145749. The reversal of 73145734 is 43754137.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73145734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73145731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33919 + ... + 36010.

It is an arithmetic number, because the mean of its divisors is an integer number (13741245).

Almost surely, 2^73145734 is an apocalyptic number.

73145734 is a deficient number, since it is larger than the sum of its proper divisors (36784226).

73145734 is a wasteful number, since it uses less digits than its factorization.

73145734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70454.

The product of its digits is 35280, while the sum is 34.

The square root of 73145734 is about 8552.5279303841. The cubic root of 73145734 is about 418.2118497565.

The spelling of 73145734 in words is "seventy-three million, one hundred forty-five thousand, seven hundred thirty-four".