747481996800 has 1440 divisors, whose sum is σ = 3459735062784. Its totient is φ = 155271168000.

The previous prime is 747481996763. The next prime is 747481996823. The reversal of 747481996800 is 8699184747.

747481996800 is a `hidden beast` number, since 7 + 4 + 7 + 481 + 99 + 68 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 239499240 + ... + 239502360.

Almost surely, 2^747481996800 is an apocalyptic number.

747481996800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747481996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729867531392).

747481996800 is an abundant number, since it is smaller than the sum of its proper divisors (2712253065984).

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

747481996800 is a wasteful number, since it uses less digits than its factorization.

747481996800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3149 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 747481996800 in words is "seven hundred forty-seven billion, four hundred eighty-one million, nine hundred ninety-six thousand, eight hundred".