75345940 has 12 divisors (see below), whose sum is σ = 158226516. Its totient is φ = 30138368.

The previous prime is 75345931. The next prime is 75345961. The reversal of 75345940 is 4954357.

It can be written as a sum of positive squares in 2 ways, for example, as 36433296 + 38912644 = 6036^2 + 6238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75345940.

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, 1883629 + ... + 1883668.

It is an arithmetic number, because the mean of its divisors is an integer number (13185543).

Almost surely, 2^75345940 is an apocalyptic number.

It is an amenable number.

75345940 is an abundant number, since it is smaller than the sum of its proper divisors (82880576).

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

75345940 is a wasteful number, since it uses less digits than its factorization.

75345940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767306 (or 3767304 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 75345940 is about 8680.2039146555. The cubic root of 75345940 is about 422.3637318326.

The spelling of 75345940 in words is "seventy-five million, three hundred forty-five thousand, nine hundred forty".