75051047 has 8 divisors (see below), whose sum is σ = 79418880. Its totient is φ = 70775320.

The previous prime is 75051037. The next prime is 75051049. The reversal of 75051047 is 74015057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75051047 - 2⁸ = 75050791 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 (75051049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21347 + ... + 24612.

It is an arithmetic number, because the mean of its divisors is an integer number (9927360).

Almost surely, 2^75051047 is an apocalyptic number.

75051047 is a deficient number, since it is larger than the sum of its proper divisors (4367833).

75051047 is a wasteful number, since it uses less digits than its factorization.

75051047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46053.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75051047 is about 8663.2007364484. The cubic root of 75051047 is about 421.8119880795.

The spelling of 75051047 in words is "seventy-five million, fifty-one thousand, forty-seven".