2007378645 has 8 divisors (see below), whose sum is σ = 3211805856. Its totient is φ = 1070601936.

The previous prime is 2007378641. The next prime is 2007378689. The reversal of 2007378645 is 5468737002.

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

It is not a de Polignac number, because 2007378645 - 2² = 2007378641 is a prime.

It is a super-3 number, since 3×2007378645³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2007378597 and 2007378606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007378641) 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, 66912607 + ... + 66912636.

It is an arithmetic number, because the mean of its divisors is an integer number (401475732).

Almost surely, 2^2007378645 is an apocalyptic number.

It is an amenable number.

2007378645 is a deficient number, since it is larger than the sum of its proper divisors (1204427211).

2007378645 is a wasteful number, since it uses less digits than its factorization.

2007378645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133825251.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2007378645 is about 44803.7793606745. The cubic root of 2007378645 is about 1261.4685667152.

The spelling of 2007378645 in words is "two billion, seven million, three hundred seventy-eight thousand, six hundred forty-five".