73798150642 has 8 divisors (see below), whose sum is σ = 110699931996. Its totient is φ = 36898173312.

The previous prime is 73798150637. The next prime is 73798150649. The reversal of 73798150642 is 24605189737.

It can be written as a sum of positive squares in 2 ways, for example, as 73794265801 + 3884841 = 271651^2 + 1971^2 .

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 73798150642.

It is not an unprimeable number, because it can be changed into a prime (73798150649) 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, 343623 + ... + 515434.

It is a 2-persistent number, because it is pandigital, and so is 2⋅73798150642 = 147596301284, but 3⋅73798150642 = 221394451926 is not.

Almost surely, 2^73798150642 is an apocalyptic number.

73798150642 is the 171812-nd heptagonal number.

73798150642 is a deficient number, since it is larger than the sum of its proper divisors (36901781354).

73798150642 is a wasteful number, since it uses less digits than its factorization.

73798150642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902012.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 73798150642 in words is "seventy-three billion, seven hundred ninety-eight million, one hundred fifty thousand, six hundred forty-two".