369730640 has 40 divisors (see below), whose sum is σ = 882863880. Its totient is φ = 143894016.

The previous prime is 369730607. The next prime is 369730649. The reversal of 369730640 is 46037963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24960016 + 344770624 = 4996^2 + 18568^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 369730594 and 369730603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369730649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59495 + ... + 65414.

It is an arithmetic number, because the mean of its divisors is an integer number (22071597).

Almost surely, 2^369730640 is an apocalyptic number.

It is an amenable number.

369730640 is an abundant number, since it is smaller than the sum of its proper divisors (513133240).

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

369730640 is a wasteful number, since it uses less digits than its factorization.

369730640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124959 (or 124953 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 369730640 is about 19228.3811071031. The cubic root of 369730640 is about 717.7311811954.

The spelling of 369730640 in words is "three hundred sixty-nine million, seven hundred thirty thousand, six hundred forty".