378741465 has 24 divisors (see below), whose sum is σ = 657945288. Its totient is φ = 201546240.

The previous prime is 378741439. The next prime is 378741511. The reversal of 378741465 is 564147873.

It can be written as a sum of positive squares in 4 ways, for example, as 6290064 + 372451401 = 2508^2 + 19299^2 .

It is not a de Polignac number, because 378741465 - 2¹³ = 378733273 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 378741465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11617 + ... + 29873.

It is an arithmetic number, because the mean of its divisors is an integer number (27414387).

Almost surely, 2^378741465 is an apocalyptic number.

It is an amenable number.

378741465 is a deficient number, since it is larger than the sum of its proper divisors (279203823).

378741465 is a wasteful number, since it uses less digits than its factorization.

378741465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729 (or 18726 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 378741465 is about 19461.2811757089. The cubic root of 378741465 is about 723.5151313566.

The spelling of 378741465 in words is "three hundred seventy-eight million, seven hundred forty-one thousand, four hundred sixty-five".