75513207 has 32 divisors (see below), whose sum is σ = 126973440. Its totient is φ = 38776320.

The previous prime is 75513199. The next prime is 75513211. The reversal of 75513207 is 70231557.

It is not a de Polignac number, because 75513207 - 2³ = 75513199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75513227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18723 + ... + 22395.

It is an arithmetic number, because the mean of its divisors is an integer number (3967920).

Almost surely, 2^75513207 is an apocalyptic number.

75513207 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

75513207 is a deficient number, since it is larger than the sum of its proper divisors (51460233).

75513207 is a wasteful number, since it uses less digits than its factorization.

75513207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 75513207 is about 8689.8335427095. The cubic root of 75513207 is about 422.6760481514.

The spelling of 75513207 in words is "seventy-five million, five hundred thirteen thousand, two hundred seven".