75474481 has 16 divisors (see below), whose sum is σ = 79365888. Its totient is φ = 71712000.

The previous prime is 75474457. The next prime is 75474547. The reversal of 75474481 is 18447457.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75474481 - 2¹⁷ = 75343409 is a prime.

It is a super-2 number, since 2×75474481² = 11392794564438722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75474401) 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, 451860 + ... + 452026.

It is an arithmetic number, because the mean of its divisors is an integer number (4960368).

Almost surely, 2^75474481 is an apocalyptic number.

It is an amenable number.

75474481 is a deficient number, since it is larger than the sum of its proper divisors (3891407).

75474481 is a wasteful number, since it uses less digits than its factorization.

75474481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 125440, while the sum is 40.

The square root of 75474481 is about 8687.6050209479. The cubic root of 75474481 is about 422.6037810950.

The spelling of 75474481 in words is "seventy-five million, four hundred seventy-four thousand, four hundred eighty-one".