73142612 has 6 divisors (see below), whose sum is σ = 127999578. Its totient is φ = 36571304.

The previous prime is 73142593. The next prime is 73142617. The reversal of 73142612 is 21624137.

It can be written as a sum of positive squares in only one way, i.e., 70627216 + 2515396 = 8404^2 + 1586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73142617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9142823 + ... + 9142830.

It is an arithmetic number, because the mean of its divisors is an integer number (21333263).

Almost surely, 2^73142612 is an apocalyptic number.

It is an amenable number.

73142612 is a deficient number, since it is larger than the sum of its proper divisors (54856966).

73142612 is a wasteful number, since it uses less digits than its factorization.

73142612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285657 (or 18285655 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 73142612 is about 8552.3454093015. The cubic root of 73142612 is about 418.2058996443.

Adding to 73142612 its reverse (21624137), we get a palindrome (94766749).

The spelling of 73142612 in words is "seventy-three million, one hundred forty-two thousand, six hundred twelve".