675321157 has 8 divisors (see below), whose sum is σ = 771952896. Its totient is φ = 578728752.

The previous prime is 675321137. The next prime is 675321197. The reversal of 675321157 is 751123576.

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

It is not a de Polignac number, because 675321157 - 2¹⁹ = 674796869 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 (675321137) 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, 60948 + ... + 71170.

It is an arithmetic number, because the mean of its divisors is an integer number (96494112).

Almost surely, 2^675321157 is an apocalyptic number.

It is an amenable number.

675321157 is a deficient number, since it is larger than the sum of its proper divisors (96631739).

675321157 is a wasteful number, since it uses less digits than its factorization.

675321157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19667.

The product of its digits is 44100, while the sum is 37.

The square root of 675321157 is about 25986.9420478824. The cubic root of 675321157 is about 877.3444207041.

The spelling of 675321157 in words is "six hundred seventy-five million, three hundred twenty-one thousand, one hundred fifty-seven".