697453680 has 480 divisors, whose sum is σ = 2811820032. Its totient is φ = 139898880.

The previous prime is 697453667. The next prime is 697453681. The reversal of 697453680 is 86354796.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697453681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9554124 + ... + 9554196.

Almost surely, 2^697453680 is an apocalyptic number.

697453680 is a gapful number since it is divisible by the number (60) 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 697453680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405910016).

697453680 is an abundant number, since it is smaller than the sum of its proper divisors (2114366352).

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

697453680 is a wasteful number, since it uses less digits than its factorization.

697453680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 697453680 is about 26409.3483448570. The cubic root of 697453680 is about 886.8260804698.

The spelling of 697453680 in words is "six hundred ninety-seven million, four hundred fifty-three thousand, six hundred eighty".