697303040 has 168 divisors, whose sum is σ = 2013264960. Its totient is φ = 226492416.

The previous prime is 697303039. The next prime is 697303049. The reversal of 697303040 is 40303796.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 697302988 and 697303006.

It is not an unprimeable number, because it can be changed into a prime (697303049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36700151 + ... + 36700169.

It is an arithmetic number, because the mean of its divisors is an integer number (11983720).

Almost surely, 2^697303040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006632480).

697303040 is an abundant number, since it is smaller than the sum of its proper divisors (1315961920).

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

697303040 is an frugal number, since it uses more digits than its factorization.

697303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 697303040 is about 26406.4961704502. The cubic root of 697303040 is about 886.7622286309.

The spelling of 697303040 in words is "six hundred ninety-seven million, three hundred three thousand, forty".