675634415 has 4 divisors (see below), whose sum is σ = 810761304. Its totient is φ = 540507528.

The previous prime is 675634411. The next prime is 675634441. The reversal of 675634415 is 514436576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675634415 - 2² = 675634411 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 (675634411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67563437 + ... + 67563446.

It is an arithmetic number, because the mean of its divisors is an integer number (202690326).

Almost surely, 2^675634415 is an apocalyptic number.

675634415 is a deficient number, since it is larger than the sum of its proper divisors (135126889).

675634415 is a wasteful number, since it uses less digits than its factorization.

675634415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135126888.

The product of its digits is 302400, while the sum is 41.

The square root of 675634415 is about 25992.9685684417. The cubic root of 675634415 is about 877.4800562562.

The spelling of 675634415 in words is "six hundred seventy-five million, six hundred thirty-four thousand, four hundred fifteen".