75353140 has 12 divisors (see below), whose sum is σ = 158241636. Its totient is φ = 30141248.

The previous prime is 75353111. The next prime is 75353147. The reversal of 75353140 is 4135357.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 67535524 = 2796^2 + 8218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75353099 and 75353108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75353147) 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, 1883809 + ... + 1883848.

It is an arithmetic number, because the mean of its divisors is an integer number (13186803).

Almost surely, 2^75353140 is an apocalyptic number.

It is an amenable number.

75353140 is an abundant number, since it is smaller than the sum of its proper divisors (82888496).

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

75353140 is a wasteful number, since it uses less digits than its factorization.

75353140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767666 (or 3767664 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 75353140 is about 8680.6186415485. The cubic root of 75353140 is about 422.3771849884.

Adding to 75353140 its reverse (4135357), we get a palindrome (79488497).

It can be divided in two parts, 753531 and 40, that added together give a cube (753571 = 91³).

The spelling of 75353140 in words is "seventy-five million, three hundred fifty-three thousand, one hundred forty".