75054047 has 4 divisors (see below), whose sum is σ = 79004280. Its totient is φ = 71103816.

The previous prime is 75054017. The next prime is 75054053. The reversal of 75054047 is 74045057.

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

It is a cyclic number.

It is not a de Polignac number, because 75054047 - 2⁶ = 75053983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75054017) 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, 1975088 + ... + 1975125.

It is an arithmetic number, because the mean of its divisors is an integer number (19751070).

Almost surely, 2^75054047 is an apocalyptic number.

75054047 is a deficient number, since it is larger than the sum of its proper divisors (3950233).

75054047 is a wasteful number, since it uses less digits than its factorization.

75054047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950232.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75054047 is about 8663.3738808850. The cubic root of 75054047 is about 421.8176083391.

The spelling of 75054047 in words is "seventy-five million, fifty-four thousand, forty-seven".