73504687090 has 16 divisors (see below), whose sum is σ = 133047593280. Its totient is φ = 29237617840.

The previous prime is 73504687051. The next prime is 73504687097. The reversal of 73504687090 is 9078640537.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73504687097) 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 7 ways as a sum of consecutive naturals, for example, 20530246 + ... + 20533825.

It is an arithmetic number, because the mean of its divisors is an integer number (8315474580).

Almost surely, 2^73504687090 is an apocalyptic number.

73504687090 is a deficient number, since it is larger than the sum of its proper divisors (59542906190).

73504687090 is a wasteful number, since it uses less digits than its factorization.

73504687090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41064257.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 73504687090 in words is "seventy-three billion, five hundred four million, six hundred eighty-seven thousand, ninety".