75366020 has 12 divisors (see below), whose sum is σ = 158268684. Its totient is φ = 30146400.

The previous prime is 75366017. The next prime is 75366023. The reversal of 75366020 is 2066357.

It is an interprime number because it is at equal distance from previous prime (75366017) and next prime (75366023).

It can be written as a sum of positive squares in 2 ways, for example, as 14868736 + 60497284 = 3856^2 + 7778^2 .

It is a super-4 number, since 4×75366020⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (75366023) 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, 1884131 + ... + 1884170.

It is an arithmetic number, because the mean of its divisors is an integer number (13189057).

Almost surely, 2^75366020 is an apocalyptic number.

It is an amenable number.

75366020 is an abundant number, since it is smaller than the sum of its proper divisors (82902664).

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

75366020 is a wasteful number, since it uses less digits than its factorization.

75366020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768310 (or 3768308 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 75366020 is about 8681.3604924574. The cubic root of 75366020 is about 422.4012490517.

The spelling of 75366020 in words is "seventy-five million, three hundred sixty-six thousand, twenty".