1070387818 has 4 divisors (see below), whose sum is σ = 1605581730. Its totient is φ = 535193908.

The previous prime is 1070387803. The next prime is 1070387821. The reversal of 1070387818 is 8187830701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8187830701 = 31 ⋅264123571.

It can be written as a sum of positive squares in only one way, i.e., 888218809 + 182169009 = 29803^2 + 13497^2 .

It is a super-2 number, since 2×1070387818² = 2291460161845602248, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267596953 + ... + 267596956.

Almost surely, 2^1070387818 is an apocalyptic number.

1070387818 is a deficient number, since it is larger than the sum of its proper divisors (535193912).

1070387818 is an equidigital number, since it uses as much as digits as its factorization.

1070387818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535193911.

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 1070387818 is about 32716.7819016480. The cubic root of 1070387818 is about 1022.9326781169.

The spelling of 1070387818 in words is "one billion, seventy million, three hundred eighty-seven thousand, eight hundred eighteen".