1996812072 has 48 divisors (see below), whose sum is σ = 5411240640. Its totient is φ = 665209248.

The previous prime is 1996812067. The next prime is 1996812073. The reversal of 1996812072 is 2702186991.

It is not an unprimeable number, because it can be changed into a prime (1996812073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130033 + ... + 144575.

It is an arithmetic number, because the mean of its divisors is an integer number (112734180).

Almost surely, 2^1996812072 is an apocalyptic number.

1996812072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1996812072 is an abundant number, since it is smaller than the sum of its proper divisors (3414428568).

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

1996812072 is a wasteful number, since it uses less digits than its factorization.

1996812072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16462 (or 16455 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1996812072 is about 44685.7032170246. The cubic root of 1996812072 is about 1259.2512709688.

The spelling of 1996812072 in words is "one billion, nine hundred ninety-six million, eight hundred twelve thousand, seventy-two".