1072379836 has 24 divisors (see below), whose sum is σ = 2155023360. Its totient is φ = 461790000.

The previous prime is 1072379821. The next prime is 1072379863. The reversal of 1072379836 is 6389732701.

It is a happy number.

It is a super-2 number, since 2×1072379836² = 2299997025318773792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640540 + ... + 642211.

It is an arithmetic number, because the mean of its divisors is an integer number (89792640).

Almost surely, 2^1072379836 is an apocalyptic number.

It is an amenable number.

1072379836 is an abundant number, since it is smaller than the sum of its proper divisors (1082643524).

1072379836 is a wasteful number, since it uses less digits than its factorization.

1072379836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282785 (or 1282783 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1072379836 is about 32747.2111178952. The cubic root of 1072379836 is about 1023.5668524814.

The spelling of 1072379836 in words is "one billion, seventy-two million, three hundred seventy-nine thousand, eight hundred thirty-six".