73144710242 has 30 divisors (see below), whose sum is σ = 113946879915. Its totient is φ = 35214749460.

The previous prime is 73144710217. The next prime is 73144710263. The reversal of 73144710242 is 24201744137.

It can be written as a sum of positive squares in only one way, i.e., 36572355121 + 36572355121 = 191239^2 + 191239^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=191239.

It is a super-2 number, since 2×73144710242² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 367561259 + ... + 367561457.

Almost surely, 2^73144710242 is an apocalyptic number.

73144710242 is a deficient number, since it is larger than the sum of its proper divisors (40802169673).

73144710242 is an frugal number, since it uses more digits than its factorization.

73144710242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 73144710242 in words is "seventy-three billion, one hundred forty-four million, seven hundred ten thousand, two hundred forty-two".