697401152 has 56 divisors (see below), whose sum is σ = 1599468480. Its totient is φ = 295511040.

The previous prime is 697401113. The next prime is 697401157. The reversal of 697401152 is 251104796.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697401157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31127 + ... + 48617.

Almost surely, 2^697401152 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 697401152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799734240).

697401152 is an abundant number, since it is smaller than the sum of its proper divisors (902067328).

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

697401152 is a wasteful number, since it uses less digits than its factorization.

697401152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599 (or 17589 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 697401152 is about 26408.3538298017. The cubic root of 697401152 is about 886.8038164489.

The spelling of 697401152 in words is "six hundred ninety-seven million, four hundred one thousand, one hundred fifty-two".