73142534 has 8 divisors (see below), whose sum is σ = 116167608. Its totient is φ = 34420000.

The previous prime is 73142521. The next prime is 73142539. The reversal of 73142534 is 43524137.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 73142497 and 73142506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73142539) 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, 1075592 + ... + 1075659.

It is an arithmetic number, because the mean of its divisors is an integer number (14520951).

Almost surely, 2^73142534 is an apocalyptic number.

73142534 is a deficient number, since it is larger than the sum of its proper divisors (43025074).

73142534 is a wasteful number, since it uses less digits than its factorization.

73142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151270.

The product of its digits is 10080, while the sum is 29.

The square root of 73142534 is about 8552.3408491477. The cubic root of 73142534 is about 418.2057509846.

The spelling of 73142534 in words is "seventy-three million, one hundred forty-two thousand, five hundred thirty-four".