374740 has 24 divisors (see below), whose sum is σ = 807912. Its totient is φ = 145920.

The previous prime is 374729. The next prime is 374741. The reversal of 374740 is 47473.

374740 = 151² + 152² + ... + 165².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 352836 = 148^2 + 594^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374741) by changing a digit.

374740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (33663).

2³⁷⁴⁷⁴⁰ 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 374740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403956).

374740 is an abundant number, since it is smaller than the sum of its proper divisors (433172).

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

374740 is a wasteful number, since it uses less digits than its factorization.

374740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 374740 is about 612.1601097752. The cubic root of 374740 is about 72.0958086672.

The spelling of 374740 in words is "three hundred seventy-four thousand, seven hundred forty", and thus it is an iban number.