378731542 has 32 divisors (see below), whose sum is σ = 689997312. Its totient is φ = 152198784.

The previous prime is 378731539. The next prime is 378731543. The reversal of 378731542 is 245137873.

It is a happy number.

378731542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 378731495 and 378731504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378731543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64543 + ... + 70165.

It is an arithmetic number, because the mean of its divisors is an integer number (21562416).

Almost surely, 2^378731542 is an apocalyptic number.

378731542 is a deficient number, since it is larger than the sum of its proper divisors (311265770).

378731542 is a wasteful number, since it uses less digits than its factorization.

378731542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932.

The product of its digits is 141120, while the sum is 40.

The square root of 378731542 is about 19461.0262319334. The cubic root of 378731542 is about 723.5088126194.

The spelling of 378731542 in words is "three hundred seventy-eight million, seven hundred thirty-one thousand, five hundred forty-two".