1378030746 has 32 divisors (see below), whose sum is σ = 2971886400. Its totient is φ = 424552320.

The previous prime is 1378030679. The next prime is 1378030747. The reversal of 1378030746 is 6470308731.

It is not an unprimeable number, because it can be changed into a prime (1378030747) 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, 142741 + ... + 152088.

It is an arithmetic number, because the mean of its divisors is an integer number (92871450).

Almost surely, 2^1378030746 is an apocalyptic number.

1378030746 is an abundant number, since it is smaller than the sum of its proper divisors (1593855654).

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

1378030746 is a wasteful number, since it uses less digits than its factorization.

1378030746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294894.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1378030746 is about 37121.8365116814. The cubic root of 1378030746 is about 1112.8064540761.

The spelling of 1378030746 in words is "one billion, three hundred seventy-eight million, thirty thousand, seven hundred forty-six".