672351802464 has 96 divisors (see below), whose sum is σ = 1781255066976. Its totient is φ = 222052884480.

The previous prime is 672351802427. The next prime is 672351802471. The reversal of 672351802464 is 464208153276.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4484034 + ... + 4631550.

It is an arithmetic number, because the mean of its divisors is an integer number (18554740281).

Almost surely, 2^672351802464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672351802464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890627533488).

672351802464 is an abundant number, since it is smaller than the sum of its proper divisors (1108903264512).

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

672351802464 is a wasteful number, since it uses less digits than its factorization.

672351802464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147968 (or 147960 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 672351802464 in words is "six hundred seventy-two billion, three hundred fifty-one million, eight hundred two thousand, four hundred sixty-four".