697430832 has 160 divisors (see below), whose sum is σ = 2108198400. Its totient is φ = 194586624.

The previous prime is 697430821. The next prime is 697430837. The reversal of 697430832 is 238034796.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (697430837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5017419 + ... + 5017557.

It is an arithmetic number, because the mean of its divisors is an integer number (13176240).

Almost surely, 2^697430832 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 697430832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054099200).

697430832 is an abundant number, since it is smaller than the sum of its proper divisors (1410767568).

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

697430832 is a wasteful number, since it uses less digits than its factorization.

697430832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 697430832 is about 26408.9157672177. The cubic root of 697430832 is about 886.8163964701.

The spelling of 697430832 in words is "six hundred ninety-seven million, four hundred thirty thousand, eight hundred thirty-two".