378264739 has 8 divisors (see below), whose sum is σ = 417929760. Its totient is φ = 340534656.

The previous prime is 378264737. The next prime is 378264743. The reversal of 378264739 is 937462873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378264739 - 2¹ = 378264737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378264692 and 378264701.

It is not an unprimeable number, because it can be changed into a prime (378264737) 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, 483324 + ... + 484105.

It is an arithmetic number, because the mean of its divisors is an integer number (52241220).

Almost surely, 2^378264739 is an apocalyptic number.

378264739 is a deficient number, since it is larger than the sum of its proper divisors (39665021).

378264739 is a wasteful number, since it uses less digits than its factorization.

378264739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967469.

The product of its digits is 1524096, while the sum is 49.

The square root of 378264739 is about 19449.0292559809. The cubic root of 378264739 is about 723.2114384463.

The spelling of 378264739 in words is "three hundred seventy-eight million, two hundred sixty-four thousand, seven hundred thirty-nine".