1072659672 has 80 divisors (see below), whose sum is σ = 3433660560. Its totient is φ = 306472896.

The previous prime is 1072659647. The next prime is 1072659689. The reversal of 1072659672 is 2769562701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113703 + ... + 122774.

It is an arithmetic number, because the mean of its divisors is an integer number (42920757).

Almost surely, 2^1072659672 is an apocalyptic number.

1072659672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1072659672 is an abundant number, since it is smaller than the sum of its proper divisors (2361000888).

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

1072659672 is a wasteful number, since it uses less digits than its factorization.

1072659672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236502 (or 236489 counting only the distinct ones).

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

The square root of 1072659672 is about 32751.4835083848. The cubic root of 1072659672 is about 1023.6558775119.

The spelling of 1072659672 in words is "one billion, seventy-two million, six hundred fifty-nine thousand, six hundred seventy-two".