673515477552 has 40 divisors (see below), whose sum is σ = 1740019269040. Its totient is φ = 224491703040.

The previous prime is 673515477539. The next prime is 673515477601. The reversal of 673515477552 is 255774515376.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 673515477492 and 673515477501.

It is an unprimeable number.

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, 405402 + ... + 1229382.

It is an arithmetic number, because the mean of its divisors is an integer number (43500481726).

Almost surely, 2^673515477552 is an apocalyptic number.

It is an amenable number.

673515477552 is an abundant number, since it is smaller than the sum of its proper divisors (1066503791488).

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

673515477552 is a wasteful number, since it uses less digits than its factorization.

673515477552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841021 (or 841015 counting only the distinct ones).

The product of its digits is 30870000, while the sum is 57.

The spelling of 673515477552 in words is "six hundred seventy-three billion, five hundred fifteen million, four hundred seventy-seven thousand, five hundred fifty-two".