73665572542 has 8 divisors (see below), whose sum is σ = 110918505456. Its totient is φ = 36692737392.

The previous prime is 73665572537. The next prime is 73665572599. The reversal of 73665572542 is 24527556637.

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 73665572542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70023783 + ... + 70024834.

It is an arithmetic number, because the mean of its divisors is an integer number (13864813182).

Almost surely, 2^73665572542 is an apocalyptic number.

73665572542 is a deficient number, since it is larger than the sum of its proper divisors (37252932914).

73665572542 is a wasteful number, since it uses less digits than its factorization.

73665572542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140048882.

The product of its digits is 10584000, while the sum is 52.

The spelling of 73665572542 in words is "seventy-three billion, six hundred sixty-five million, five hundred seventy-two thousand, five hundred forty-two".