73698453145 has 32 divisors (see below), whose sum is σ = 97832465280. Its totient is φ = 53082086400.

The previous prime is 73698453139. The next prime is 73698453163. The reversal of 73698453145 is 54135489637.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-73698453145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92656 + ... + 394945.

It is an arithmetic number, because the mean of its divisors is an integer number (3057264540).

Almost surely, 2^73698453145 is an apocalyptic number.

It is an amenable number.

73698453145 is a deficient number, since it is larger than the sum of its proper divisors (24134012135).

73698453145 is a wasteful number, since it uses less digits than its factorization.

73698453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487705.

The product of its digits is 10886400, while the sum is 55.

The spelling of 73698453145 in words is "seventy-three billion, six hundred ninety-eight million, four hundred fifty-three thousand, one hundred forty-five".