373418816 has 56 divisors (see below), whose sum is σ = 767135880. Its totient is φ = 180224000.

The previous prime is 373418803. The next prime is 373418827. The reversal of 373418816 is 618814373.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 371718400 = 1304^2 + 19280^2 .

It is a super-2 number, since 2×373418816² = 278883224285683712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264320 + ... + 265728.

It is an arithmetic number, because the mean of its divisors is an integer number (13698855).

Almost surely, 2^373418816 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 373418816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383567940).

373418816 is an abundant number, since it is smaller than the sum of its proper divisors (393717064).

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

373418816 is a wasteful number, since it uses less digits than its factorization.

373418816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1553 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 373418816 is about 19324.0476091320. The cubic root of 373418816 is about 720.1098186399.

The spelling of 373418816 in words is "three hundred seventy-three million, four hundred eighteen thousand, eight hundred sixteen".