73478462772 has 192 divisors, whose sum is σ = 215848571904. Its totient is φ = 19110696960.

The previous prime is 73478462753. The next prime is 73478462773. The reversal of 73478462772 is 27726487437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478462773) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2406103 + ... + 2436449.

It is an arithmetic number, because the mean of its divisors is an integer number (1124211312).

Almost surely, 2^73478462772 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 73478462772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107924285952).

73478462772 is an abundant number, since it is smaller than the sum of its proper divisors (142370109132).

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

73478462772 is a wasteful number, since it uses less digits than its factorization.

73478462772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30478 (or 30476 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 57.

The spelling of 73478462772 in words is "seventy-three billion, four hundred seventy-eight million, four hundred sixty-two thousand, seven hundred seventy-two".