373287640 has 64 divisors (see below), whose sum is σ = 927936000. Its totient is φ = 134010240.

The previous prime is 373287557. The next prime is 373287659. The reversal of 373287640 is 46782373.

It is a happy number.

373287640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 373287593 and 373287602.

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, 29391 + ... + 40129.

It is an arithmetic number, because the mean of its divisors is an integer number (14499000).

Almost surely, 2^373287640 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 373287640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463968000).

373287640 is an abundant number, since it is smaller than the sum of its proper divisors (554648360).

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

373287640 is a wasteful number, since it uses less digits than its factorization.

373287640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840 (or 10836 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 373287640 is about 19320.6531980676. The cubic root of 373287640 is about 720.0254877809.

The spelling of 373287640 in words is "three hundred seventy-three million, two hundred eighty-seven thousand, six hundred forty".