1067454378 has 48 divisors (see below), whose sum is σ = 2462523336. Its totient is φ = 333020160.

The previous prime is 1067454343. The next prime is 1067454379. The reversal of 1067454378 is 8734547601.

It can be written as a sum of positive squares in 4 ways, for example, as 815502249 + 251952129 = 28557^2 + 15873^2 .

It is a super-2 number, since 2×1067454378² = 2278917698222733768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1067454379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45750 + ... + 65022.

Almost surely, 2^1067454378 is an apocalyptic number.

1067454378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067454378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231261668).

1067454378 is an abundant number, since it is smaller than the sum of its proper divisors (1395068958).

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

1067454378 is a wasteful number, since it uses less digits than its factorization.

1067454378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19479 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 1067454378 is about 32671.9203292368. The cubic root of 1067454378 is about 1021.9973607314.

The spelling of 1067454378 in words is "one billion, sixty-seven million, four hundred fifty-four thousand, three hundred seventy-eight".