378430745 has 32 divisors (see below), whose sum is σ = 579363840. Its totient is φ = 230408640.

The previous prime is 378430721. The next prime is 378430747. The reversal of 378430745 is 547034873.

It is not a de Polignac number, because 378430745 - 2²⁰ = 377382169 is a prime.

It is a super-2 number, since 2×378430745² = 286419657522510050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378430747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5126 + ... + 27984.

It is an arithmetic number, because the mean of its divisors is an integer number (18105120).

Almost surely, 2^378430745 is an apocalyptic number.

378430745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378430745 is a deficient number, since it is larger than the sum of its proper divisors (200933095).

378430745 is a wasteful number, since it uses less digits than its factorization.

378430745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22925.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 378430745 is about 19453.2965072761. The cubic root of 378430745 is about 723.3172196334.

The spelling of 378430745 in words is "three hundred seventy-eight million, four hundred thirty thousand, seven hundred forty-five".