73451298361 has 15 divisors (see below), whose sum is σ = 85703577893. Its totient is φ = 62946872940.

The previous prime is 73451298341. The next prime is 73451298379. The reversal of 73451298361 is 16389215437.

The square root of 73451298361 is 271019.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 73451298361 - 2⁹ = 73451297849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73451298311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13277166 + ... + 13282696.

Almost surely, 2^73451298361 is an apocalyptic number.

73451298361 is the 271019-th square number.

73451298361 is the 135510-th centered octagonal number.

It is an amenable number.

73451298361 is a deficient number, since it is larger than the sum of its proper divisors (12252279532).

73451298361 is an frugal number, since it uses more digits than its factorization.

73451298361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090 (or 5538 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

Multiplying 73451298361 by its sum of digits (49), we get a square (3599113619689 = 1897133²).

73451298361 divided by its sum of digits (49) gives a square (1499006089 = 38717²).

The spelling of 73451298361 in words is "seventy-three billion, four hundred fifty-one million, two hundred ninety-eight thousand, three hundred sixty-one".