1078892730 has 64 divisors (see below), whose sum is σ = 2913523200. Its totient is φ = 284057280.

The previous prime is 1078892729. The next prime is 1078892779. The reversal of 1078892730 is 372988701.

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 Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3961 + ... + 46620.

It is an arithmetic number, because the mean of its divisors is an integer number (45523800).

Almost surely, 2^1078892730 is an apocalyptic number.

1078892730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078892730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456761600).

1078892730 is an abundant number, since it is smaller than the sum of its proper divisors (1834630470).

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

1078892730 is a wasteful number, since it uses less digits than its factorization.

1078892730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676 (or 50670 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1078892730 is about 32846.5025535444. The cubic root of 1078892730 is about 1025.6348175419.

The spelling of 1078892730 in words is "one billion, seventy-eight million, eight hundred ninety-two thousand, seven hundred thirty".