675415637 has 8 divisors (see below), whose sum is σ = 737335704. Its totient is φ = 614919168.

The previous prime is 675415621. The next prime is 675415639. The reversal of 675415637 is 736514576.

It can be written as a sum of positive squares in 4 ways, for example, as 5692996 + 669722641 = 2386^2 + 25879^2 .

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 675415637 - 2⁴ = 675415621 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 (675415639) 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, 354908 + ... + 356805.

It is an arithmetic number, because the mean of its divisors is an integer number (92166963).

Almost surely, 2^675415637 is an apocalyptic number.

It is an amenable number.

675415637 is a deficient number, since it is larger than the sum of its proper divisors (61920067).

675415637 is a wasteful number, since it uses less digits than its factorization.

675415637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711799.

The product of its digits is 529200, while the sum is 44.

The square root of 675415637 is about 25988.7598203531. The cubic root of 675415637 is about 877.3853334040.

The spelling of 675415637 in words is "six hundred seventy-five million, four hundred fifteen thousand, six hundred thirty-seven".