694075380 has 96 divisors (see below), whose sum is σ = 1975567104. Its totient is φ = 182052864.

The previous prime is 694075379. The next prime is 694075381. The reversal of 694075380 is 83570496.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (694075379) and next prime (694075381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694075381) 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, 1131954 + ... + 1132566.

It is an arithmetic number, because the mean of its divisors is an integer number (20578824).

Almost surely, 2^694075380 is an apocalyptic number.

694075380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694075380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987783552).

694075380 is an abundant number, since it is smaller than the sum of its proper divisors (1281491724).

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

694075380 is a wasteful number, since it uses less digits than its factorization.

694075380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 694075380 is about 26345.3103986269. The cubic root of 694075380 is about 885.3919040555.

The spelling of 694075380 in words is "six hundred ninety-four million, seventy-five thousand, three hundred eighty".