373023640 has 96 divisors (see below), whose sum is σ = 947928240. Its totient is φ = 131915520.

The previous prime is 373023619. The next prime is 373023643. The reversal of 373023640 is 46320373.

It is a junction number, because it is equal to n+sod(n) for n = 373023599 and 373023608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373023643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178039 + ... + 180121.

Almost surely, 2^373023640 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 373023640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473964120).

373023640 is an abundant number, since it is smaller than the sum of its proper divisors (574904600).

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

373023640 is a wasteful number, since it uses less digits than its factorization.

373023640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 373023640 is about 19313.8199225322. The cubic root of 373023640 is about 719.8557066812.

The spelling of 373023640 in words is "three hundred seventy-three million, twenty-three thousand, six hundred forty".