75047466 has 64 divisors (see below), whose sum is σ = 171150336. Its totient is φ = 21772800.

The previous prime is 75047461. The next prime is 75047491. The reversal of 75047466 is 66474057.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75047461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98760 + ... + 99516.

It is an arithmetic number, because the mean of its divisors is an integer number (2674224).

Almost surely, 2^75047466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75047466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85575168).

75047466 is an abundant number, since it is smaller than the sum of its proper divisors (96102870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75047466 is a wasteful number, since it uses less digits than its factorization.

75047466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 75047466 is about 8662.9940551752. The cubic root of 75047466 is about 421.8052791669.

The spelling of 75047466 in words is "seventy-five million, forty-seven thousand, four hundred sixty-six".