75139298 has 16 divisors (see below), whose sum is σ = 126657216. Its totient is φ = 33171600.

The previous prime is 75139289. The next prime is 75139313. The reversal of 75139298 is 89293157.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62228 + ... + 63423.

It is an arithmetic number, because the mean of its divisors is an integer number (7916076).

Almost surely, 2^75139298 is an apocalyptic number.

75139298 is a deficient number, since it is larger than the sum of its proper divisors (51517918).

75139298 is a wasteful number, since it uses less digits than its factorization.

75139298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125689.

The product of its digits is 136080, while the sum is 44.

The square root of 75139298 is about 8668.2926807994. The cubic root of 75139298 is about 421.9772566975.

The spelling of 75139298 in words is "seventy-five million, one hundred thirty-nine thousand, two hundred ninety-eight".