672965936550 has 288 divisors, whose sum is σ = 1886782809600. Its totient is φ = 171758119680.

The previous prime is 672965936527. The next prime is 672965936551. The reversal of 672965936550 is 55639569276.

672965936550 is a `hidden beast` number, since 6 + 7 + 29 + 6 + 59 + 3 + 6 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672965936551) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1087182141 + ... + 1087182759.

It is an arithmetic number, because the mean of its divisors is an integer number (6551329200).

Almost surely, 2^672965936550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672965936550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943391404800).

672965936550 is an abundant number, since it is smaller than the sum of its proper divisors (1213816873050).

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

672965936550 is a wasteful number, since it uses less digits than its factorization.

672965936550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 91854000, while the sum is 63.

The spelling of 672965936550 in words is "six hundred seventy-two billion, nine hundred sixty-five million, nine hundred thirty-six thousand, five hundred fifty".