1696970240 has 160 divisors (see below), whose sum is σ = 4680396864. Its totient is φ = 578027520.

The previous prime is 1696970227. The next prime is 1696970263. The reversal of 1696970240 is 420796961.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 1696970191 and 1696970200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5035352 + ... + 5035688.

Almost surely, 2^1696970240 is an apocalyptic number.

1696970240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1696970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340198432).

1696970240 is an abundant number, since it is smaller than the sum of its proper divisors (2983426624).

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

1696970240 is an equidigital number, since it uses as much as digits as its factorization.

1696970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1696970240 is about 41194.2986346412. The cubic root of 1696970240 is about 1192.7737570440.

The spelling of 1696970240 in words is "one billion, six hundred ninety-six million, nine hundred seventy thousand, two hundred forty".