675209040 has 120 divisors (see below), whose sum is σ = 2300831904. Its totient is φ = 163680000.

The previous prime is 675209027. The next prime is 675209053. The reversal of 675209040 is 40902576.

It is an interprime number because it is at equal distance from previous prime (675209027) and next prime (675209053).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 675208992 and 675209010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17415 + ... + 40665.

Almost surely, 2^675209040 is an apocalyptic number.

675209040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675209040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150415952).

675209040 is an abundant number, since it is smaller than the sum of its proper divisors (1625622864).

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

675209040 is a wasteful number, since it uses less digits than its factorization.

675209040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289 (or 23272 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 675209040 is about 25984.7847787893. The cubic root of 675209040 is about 877.2958656981.

The spelling of 675209040 in words is "six hundred seventy-five million, two hundred nine thousand, forty".