378211742 has 4 divisors (see below), whose sum is σ = 567317616. Its totient is φ = 189105870.

The previous prime is 378211741. The next prime is 378211751. The reversal of 378211742 is 247112873.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378211741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94552934 + ... + 94552937.

It is an arithmetic number, because the mean of its divisors is an integer number (141829404).

Almost surely, 2^378211742 is an apocalyptic number.

378211742 is a deficient number, since it is larger than the sum of its proper divisors (189105874).

378211742 is a wasteful number, since it uses less digits than its factorization.

378211742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189105873.

The product of its digits is 18816, while the sum is 35.

The square root of 378211742 is about 19447.6667495101. Note that the first 3 decimals coincide. The cubic root of 378211742 is about 723.1776615499.

The spelling of 378211742 in words is "three hundred seventy-eight million, two hundred eleven thousand, seven hundred forty-two".