1696743972 has 108 divisors (see below), whose sum is σ = 5442864336. Its totient is φ = 440707680.

The previous prime is 1696743967. The next prime is 1696743989. The reversal of 1696743972 is 2793476961.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24318 + ... + 63125.

It is an arithmetic number, because the mean of its divisors is an integer number (50396892).

Almost surely, 2^1696743972 is an apocalyptic number.

1696743972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1696743972 is an abundant number, since it is smaller than the sum of its proper divisors (3746120364).

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

1696743972 is a wasteful number, since it uses less digits than its factorization.

1696743972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87478 (or 87466 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 1696743972 is about 41191.5521921668. The cubic root of 1696743972 is about 1192.7207412786.

The spelling of 1696743972 in words is "one billion, six hundred ninety-six million, seven hundred forty-three thousand, nine hundred seventy-two".