73000142 has 16 divisors (see below), whose sum is σ = 116102160. Its totient is φ = 34305408.

The previous prime is 73000099. The next prime is 73000153. The reversal of 73000142 is 24100037.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 73000142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40913 + ... + 42659.

It is an arithmetic number, because the mean of its divisors is an integer number (7256385).

Almost surely, 2^73000142 is an apocalyptic number.

73000142 is a deficient number, since it is larger than the sum of its proper divisors (43102018).

73000142 is a wasteful number, since it uses less digits than its factorization.

73000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 73000142 is about 8544.0120552349. The cubic root of 73000142 is about 417.9341906271.

Adding to 73000142 its reverse (24100037), we get a palindrome (97100179).

The spelling of 73000142 in words is "seventy-three million, one hundred forty-two", and thus it is an aban number.