73451451361532 has 12 divisors (see below), whose sum is σ = 130167128995680. Its totient is φ = 36260843077056.

The previous prime is 73451451361529. The next prime is 73451451361549. The reversal of 73451451361532 is 23516315415437.

It is a happy number.

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, 116220650573 + ... + 116220651204.

It is an arithmetic number, because the mean of its divisors is an integer number (10847260749640).

Almost surely, 2^{73451451361532} is an apocalyptic number.

It is an amenable number.

73451451361532 is a deficient number, since it is larger than the sum of its proper divisors (56715677634148).

73451451361532 is a wasteful number, since it uses less digits than its factorization.

73451451361532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232441301860 (or 232441301858 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 50.

Adding to 73451451361532 its reverse (23516315415437), we get a palindrome (96967766776969).

The spelling of 73451451361532 in words is "seventy-three trillion, four hundred fifty-one billion, four hundred fifty-one million, three hundred sixty-one thousand, five hundred thirty-two".