75540620 has 12 divisors (see below), whose sum is σ = 158635344. Its totient is φ = 30216240.

The previous prime is 75540617. The next prime is 75540629. The reversal of 75540620 is 2604557.

It is not an unprimeable number, because it can be changed into a prime (75540629) 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, 1888496 + ... + 1888535.

It is an arithmetic number, because the mean of its divisors is an integer number (13219612).

Almost surely, 2^75540620 is an apocalyptic number.

It is an amenable number.

75540620 is an abundant number, since it is smaller than the sum of its proper divisors (83094724).

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

75540620 is a wasteful number, since it uses less digits than its factorization.

75540620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777040 (or 3777038 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 75540620 is about 8691.4107025269. The cubic root of 75540620 is about 422.7271889481.

The spelling of 75540620 in words is "seventy-five million, five hundred forty thousand, six hundred twenty".