75220453 has 16 divisors (see below), whose sum is σ = 95109120. Its totient is φ = 57783600.

The previous prime is 75220447. The next prime is 75220469. The reversal of 75220453 is 35402257.

It is not a de Polignac number, because 75220453 - 2⁵ = 75220421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75220423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (5944320).

Almost surely, 2^75220453 is an apocalyptic number.

It is an amenable number.

75220453 is a deficient number, since it is larger than the sum of its proper divisors (19888667).

75220453 is a wasteful number, since it uses less digits than its factorization.

75220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13848.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 75220453 is about 8672.9725584715. The cubic root of 75220453 is about 422.1291223811.

It can be divided in two parts, 752204 and 53, that added together give a palindrome (752257).

The spelling of 75220453 in words is "seventy-five million, two hundred twenty thousand, four hundred fifty-three".