693624145 has 8 divisors (see below), whose sum is σ = 840430656. Its totient is φ = 549511536.

The previous prime is 693624137. The next prime is 693624181. The reversal of 693624145 is 541426396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 693624145 - 2³ = 693624137 is a prime.

It is a super-2 number, since 2×693624145² = 962228909053962050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693624098 and 693624107.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 672907 + ... + 673936.

It is an arithmetic number, because the mean of its divisors is an integer number (105053832).

Almost surely, 2^693624145 is an apocalyptic number.

It is an amenable number.

693624145 is a deficient number, since it is larger than the sum of its proper divisors (146806511).

693624145 is a wasteful number, since it uses less digits than its factorization.

693624145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346951.

The product of its digits is 155520, while the sum is 40.

The square root of 693624145 is about 26336.7451481765. The cubic root of 693624145 is about 885.1999909781.

The spelling of 693624145 in words is "six hundred ninety-three million, six hundred twenty-four thousand, one hundred forty-five".