694074407 has 16 divisors (see below), whose sum is σ = 784680960. Its totient is φ = 609487200.

The previous prime is 694074401. The next prime is 694074509. The reversal of 694074407 is 704470496.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 694074407 - 2¹⁰ = 694073383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694074401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9182 + ... + 38372.

It is an arithmetic number, because the mean of its divisors is an integer number (49042560).

Almost surely, 2^694074407 is an apocalyptic number.

694074407 is a deficient number, since it is larger than the sum of its proper divisors (90606553).

694074407 is a wasteful number, since it uses less digits than its factorization.

694074407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29294.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 694074407 is about 26345.2919323358. The cubic root of 694074407 is about 885.3914903220.

The spelling of 694074407 in words is "six hundred ninety-four million, seventy-four thousand, four hundred seven".