373009728 has 224 divisors, whose sum is σ = 1249663744. Its totient is φ = 95551488.

The previous prime is 373009711. The next prime is 373009753. The reversal of 373009728 is 827900373.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646176 + ... + 646752.

It is an arithmetic number, because the mean of its divisors is an integer number (5578856).

Almost surely, 2^373009728 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 373009728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624831872).

373009728 is an abundant number, since it is smaller than the sum of its proper divisors (876654016).

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

373009728 is a wasteful number, since it uses less digits than its factorization.

373009728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 373009728 is about 19313.4597625594. The cubic root of 373009728 is about 719.8467575101.

The spelling of 373009728 in words is "three hundred seventy-three million, nine thousand, seven hundred twenty-eight".