697478112 has 72 divisors (see below), whose sum is σ = 2003981616. Its totient is φ = 230086656.

The previous prime is 697478099. The next prime is 697478113. The reversal of 697478112 is 211874796.

It is a happy number.

697478112 is a `hidden beast` number, since 69 + 7 + 478 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697478113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15453 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (27833078).

Almost surely, 2^697478112 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 697478112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001990808).

697478112 is an abundant number, since it is smaller than the sum of its proper divisors (1306503504).

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

697478112 is a wasteful number, since it uses less digits than its factorization.

697478112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25080 (or 25069 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 697478112 is about 26409.8109042833. The cubic root of 697478112 is about 886.8364356051.

The spelling of 697478112 in words is "six hundred ninety-seven million, four hundred seventy-eight thousand, one hundred twelve".