675686340 has 96 divisors (see below), whose sum is σ = 2402453760. Its totient is φ = 154441728.

The previous prime is 675686327. The next prime is 675686351. The reversal of 675686340 is 43686576.

675686340 is a `hidden beast` number, since 6 + 7 + 5 + 6 + 8 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85597 + ... + 93156.

It is an arithmetic number, because the mean of its divisors is an integer number (25025560).

Almost surely, 2^675686340 is an apocalyptic number.

675686340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675686340 is an abundant number, since it is smaller than the sum of its proper divisors (1726767420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675686340 is a wasteful number, since it uses less digits than its factorization.

675686340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178778 (or 178770 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 675686340 is about 25993.9673770665. The cubic root of 675686340 is about 877.5025348747.

It can be divided in two parts, 6756 and 86340, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 675686340 in words is "six hundred seventy-five million, six hundred eighty-six thousand, three hundred forty".