75730447 has 16 divisors (see below), whose sum is σ = 86254560. Its totient is φ = 65912832.

The previous prime is 75730429. The next prime is 75730451. The reversal of 75730447 is 74403757.

It is a cyclic number.

It is not a de Polignac number, because 75730447 - 2¹⁵ = 75697679 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 (75730147) 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, 62883 + ... + 64075.

It is an arithmetic number, because the mean of its divisors is an integer number (5390910).

Almost surely, 2^75730447 is an apocalyptic number.

75730447 is a deficient number, since it is larger than the sum of its proper divisors (10524113).

75730447 is a wasteful number, since it uses less digits than its factorization.

75730447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 75730447 is about 8702.3242297676. The cubic root of 75730447 is about 423.0809849655.

The spelling of 75730447 in words is "seventy-five million, seven hundred thirty thousand, four hundred forty-seven".