369780642 has 48 divisors (see below), whose sum is σ = 998891712. Its totient is φ = 96046560.

The previous prime is 369780613. The next prime is 369780661. The reversal of 369780642 is 246087963.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132013 + ... + 134784.

It is an arithmetic number, because the mean of its divisors is an integer number (20810244).

Almost surely, 2^369780642 is an apocalyptic number.

369780642 is an abundant number, since it is smaller than the sum of its proper divisors (629111070).

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

369780642 is a wasteful number, since it uses less digits than its factorization.

369780642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266823 (or 266820 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 369780642 is about 19229.6812766099. The cubic root of 369780642 is about 717.7635348181.

The spelling of 369780642 in words is "three hundred sixty-nine million, seven hundred eighty thousand, six hundred forty-two".