694968552 has 128 divisors (see below), whose sum is σ = 2049408000. Its totient is φ = 217736640.

The previous prime is 694968497. The next prime is 694968553. The reversal of 694968552 is 255869496.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (694968553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291927 + ... + 294297.

It is an arithmetic number, because the mean of its divisors is an integer number (16011000).

Almost surely, 2^694968552 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 694968552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024704000).

694968552 is an abundant number, since it is smaller than the sum of its proper divisors (1354439448).

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

694968552 is a wasteful number, since it uses less digits than its factorization.

694968552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2458 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 694968552 is about 26362.2562008641. The cubic root of 694968552 is about 885.7715305848.

The spelling of 694968552 in words is "six hundred ninety-four million, nine hundred sixty-eight thousand, five hundred fifty-two".