75147207 has 16 divisors (see below), whose sum is σ = 103895040. Its totient is φ = 48256992.

The previous prime is 75147203. The next prime is 75147211. The reversal of 75147207 is 70274157.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75147203) and next prime (75147211).

It is not a de Polignac number, because 75147207 - 2² = 75147203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75147203) 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, 52098 + ... + 53520.

It is an arithmetic number, because the mean of its divisors is an integer number (6493440).

Almost surely, 2^75147207 is an apocalyptic number.

75147207 is a deficient number, since it is larger than the sum of its proper divisors (28747833).

75147207 is a wasteful number, since it uses less digits than its factorization.

75147207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 75147207 is about 8668.7488716654. The cubic root of 75147207 is about 421.9920616492.

The spelling of 75147207 in words is "seventy-five million, one hundred forty-seven thousand, two hundred seven".