75652340 has 12 divisors (see below), whose sum is σ = 158869956. Its totient is φ = 30260928.

The previous prime is 75652327. The next prime is 75652373. The reversal of 75652340 is 4325657.

It can be written as a sum of positive squares in 2 ways, for example, as 58644964 + 17007376 = 7658^2 + 4124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75652297 and 75652306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891289 + ... + 1891328.

It is an arithmetic number, because the mean of its divisors is an integer number (13239163).

Almost surely, 2^75652340 is an apocalyptic number.

It is an amenable number.

75652340 is an abundant number, since it is smaller than the sum of its proper divisors (83217616).

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

75652340 is a wasteful number, since it uses less digits than its factorization.

75652340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782626 (or 3782624 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 75652340 is about 8697.8353628935. The cubic root of 75652340 is about 422.9354822639.

Adding to 75652340 its reverse (4325657), we get a palindrome (79977997).

The spelling of 75652340 in words is "seventy-five million, six hundred fifty-two thousand, three hundred forty".