1072379835 has 24 divisors (see below), whose sum is σ = 1922890320. Its totient is φ = 552213312.

The previous prime is 1072379821. The next prime is 1072379863. The reversal of 1072379835 is 5389732701.

It is a happy number.

It is not a de Polignac number, because 1072379835 - 2¹² = 1072375739 is a prime.

It is a super-2 number, since 2×1072379835² = 2299997021029254450, which contains 22 as substring.

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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409569 + ... + 412178.

It is an arithmetic number, because the mean of its divisors is an integer number (80120430).

Almost surely, 2^1072379835 is an apocalyptic number.

1072379835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1072379835 is a deficient number, since it is larger than the sum of its proper divisors (850510485).

1072379835 is a wasteful number, since it uses less digits than its factorization.

1072379835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821787 (or 821784 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 1072379835 is about 32747.2111026267. The cubic root of 1072379835 is about 1023.5668521632.

The spelling of 1072379835 in words is "one billion, seventy-two million, three hundred seventy-nine thousand, eight hundred thirty-five".