75113247 has 16 divisors (see below), whose sum is σ = 110227968. Its totient is φ = 45118080.

The previous prime is 75113221. The next prime is 75113263. The reversal of 75113247 is 74231157.

It is not a de Polignac number, because 75113247 - 2⁷ = 75113119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75113287) 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, 6343 + ... + 13800.

It is an arithmetic number, because the mean of its divisors is an integer number (6889248).

Almost surely, 2^75113247 is an apocalyptic number.

75113247 is a deficient number, since it is larger than the sum of its proper divisors (35114721).

75113247 is a wasteful number, since it uses less digits than its factorization.

75113247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270.

The product of its digits is 5880, while the sum is 30.

The square root of 75113247 is about 8666.7898901496. The cubic root of 75113247 is about 421.9284841711.

The spelling of 75113247 in words is "seventy-five million, one hundred thirteen thousand, two hundred forty-seven".