697735738 has 8 divisors (see below), whose sum is σ = 1196118432. Its totient is φ = 299029596.

The previous prime is 697735691. The next prime is 697735739. The reversal of 697735738 is 837537796.

697735738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×697735738³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (697735739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24919120 + ... + 24919147.

It is an arithmetic number, because the mean of its divisors is an integer number (149514804).

Almost surely, 2^697735738 is an apocalyptic number.

697735738 is a deficient number, since it is larger than the sum of its proper divisors (498382694).

697735738 is a wasteful number, since it uses less digits than its factorization.

697735738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49838276.

The product of its digits is 6667920, while the sum is 55.

The square root of 697735738 is about 26414.6879216848. The cubic root of 697735738 is about 886.9456117906.

The spelling of 697735738 in words is "six hundred ninety-seven million, seven hundred thirty-five thousand, seven hundred thirty-eight".