73408526688 has 96 divisors (see below), whose sum is σ = 223242518016. Its totient is φ = 20686537728.

The previous prime is 73408526657. The next prime is 73408526689. The reversal of 73408526688 is 88662580437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73408526689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699156 + ... + 797267.

It is an arithmetic number, because the mean of its divisors is an integer number (2325442896).

Almost surely, 2^73408526688 is an apocalyptic number.

It is an amenable number.

73408526688 is an abundant number, since it is smaller than the sum of its proper divisors (149833991328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73408526688 is a wasteful number, since it uses less digits than its factorization.

73408526688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496516 (or 1496508 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 73408526688 in words is "seventy-three billion, four hundred eight million, five hundred twenty-six thousand, six hundred eighty-eight".