75070331 has 8 divisors (see below), whose sum is σ = 85853664. Its totient is φ = 64301760.

The previous prime is 75070319. The next prime is 75070339. The reversal of 75070331 is 13307057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75070331 - 2⁶ = 75070267 is a prime.

It is a super-2 number, since 2×75070331² = 11271109192899122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75070331.

It is not an unprimeable number, because it can be changed into a prime (75070339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (10731708).

Almost surely, 2^75070331 is an apocalyptic number.

75070331 is a deficient number, since it is larger than the sum of its proper divisors (10783333).

75070331 is a wasteful number, since it uses less digits than its factorization.

75070331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 75070331 is about 8664.3136485240. The cubic root of 75070331 is about 421.8481124958.

Adding to 75070331 its reverse (13307057), we get a palindrome (88377388).

The spelling of 75070331 in words is "seventy-five million, seventy thousand, three hundred thirty-one".