2007378646 has 32 divisors (see below), whose sum is σ = 3710423808. Its totient is φ = 793164960.

The previous prime is 2007378641. The next prime is 2007378689. The reversal of 2007378646 is 6468737002.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 154461 + ... + 166951.

It is an arithmetic number, because the mean of its divisors is an integer number (115950744).

Almost surely, 2^2007378646 is an apocalyptic number.

2007378646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2007378646 is a deficient number, since it is larger than the sum of its proper divisors (1703045162).

2007378646 is a wasteful number, since it uses less digits than its factorization.

2007378646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 2007378646 is about 44803.7793718342. The cubic root of 2007378646 is about 1261.4685669247.

The spelling of 2007378646 in words is "two billion, seven million, three hundred seventy-eight thousand, six hundred forty-six".