3742663947378 has 16 divisors (see below), whose sum is σ = 7485960724416. Its totient is φ = 1247449177520.

The previous prime is 3742663947359. The next prime is 3742663947403. The reversal of 3742663947378 is 8737493662473.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26291001 + ... + 26432972.

It is an arithmetic number, because the mean of its divisors is an integer number (467872545276).

Almost surely, 2^{3742663947378} is an apocalyptic number.

3742663947378 is an abundant number, since it is smaller than the sum of its proper divisors (3743296777038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3742663947378 is a wasteful number, since it uses less digits than its factorization.

3742663947378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52735809.

The product of its digits is 768144384, while the sum is 69.

The spelling of 3742663947378 in words is "three trillion, seven hundred forty-two billion, six hundred sixty-three million, nine hundred forty-seven thousand, three hundred seventy-eight".