75247064 has 8 divisors (see below), whose sum is σ = 141088260. Its totient is φ = 37623528.

The previous prime is 75247061. The next prime is 75247069. The reversal of 75247064 is 46074257.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75247061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4702934 + ... + 4702949.

Almost surely, 2^75247064 is an apocalyptic number.

It is an amenable number.

75247064 is a deficient number, since it is larger than the sum of its proper divisors (65841196).

75247064 is a wasteful number, since it uses less digits than its factorization.

75247064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405889 (or 9405885 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 75247064 is about 8674.5065565714. The cubic root of 75247064 is about 422.1788958723.

The spelling of 75247064 in words is "seventy-five million, two hundred forty-seven thousand, sixty-four".