75071007 has 24 divisors (see below), whose sum is σ = 118581840. Its totient is φ = 45386880.

The previous prime is 75070939. The next prime is 75071023. The reversal of 75071007 is 70017057.

It is not a de Polignac number, because 75071007 - 2²² = 70876703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75071027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60469 + ... + 61697.

It is an arithmetic number, because the mean of its divisors is an integer number (4940910).

Almost surely, 2^75071007 is an apocalyptic number.

75071007 is a deficient number, since it is larger than the sum of its proper divisors (43510833).

75071007 is a wasteful number, since it uses less digits than its factorization.

75071007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 1715, while the sum is 27.

The square root of 75071007 is about 8664.3526590277. The cubic root of 75071007 is about 421.8493787238.

The spelling of 75071007 in words is "seventy-five million, seventy-one thousand, seven".