75164020 has 24 divisors (see below), whose sum is σ = 162112104. Its totient is φ = 29252736.

The previous prime is 75163999. The next prime is 75164041. The reversal of 75164020 is 2046157.

It is an interprime number because it is at equal distance from previous prime (75163999) and next prime (75164041).

It can be written as a sum of positive squares in 4 ways, for example, as 22543504 + 52620516 = 4748^2 + 7254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50047 + ... + 51526.

It is an arithmetic number, because the mean of its divisors is an integer number (6754671).

Almost surely, 2^75164020 is an apocalyptic number.

It is an amenable number.

75164020 is an abundant number, since it is smaller than the sum of its proper divisors (86948084).

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

75164020 is a wasteful number, since it uses less digits than its factorization.

75164020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101619 (or 101617 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 75164020 is about 8669.7185652131. The cubic root of 75164020 is about 422.0235306541.

The spelling of 75164020 in words is "seventy-five million, one hundred sixty-four thousand, twenty".