75220034 has 4 divisors (see below), whose sum is σ = 112830054. Its totient is φ = 37610016.

The previous prime is 75220021. The next prime is 75220039. The reversal of 75220034 is 43002257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68475625 + 6744409 = 8275^2 + 2597^2 .

It is a super-3 number, since 3×75220034³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 75219991 and 75220009.

It is not an unprimeable number, because it can be changed into a prime (75220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18805007 + ... + 18805010.

Almost surely, 2^75220034 is an apocalyptic number.

75220034 is a deficient number, since it is larger than the sum of its proper divisors (37610020).

75220034 is a wasteful number, since it uses less digits than its factorization.

75220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37610019.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 75220034 is about 8672.9484029366. The cubic root of 75220034 is about 422.1283385853.

The spelling of 75220034 in words is "seventy-five million, two hundred twenty thousand, thirty-four".