75070029 has 4 divisors (see below), whose sum is σ = 100093376. Its totient is φ = 50046684.

The previous prime is 75070027. The next prime is 75070033. The reversal of 75070029 is 92007057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75070029 - 2¹ = 75070027 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75069978 and 75070005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75070027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12511669 + ... + 12511674.

It is an arithmetic number, because the mean of its divisors is an integer number (25023344).

Almost surely, 2^75070029 is an apocalyptic number.

It is an amenable number.

75070029 is a deficient number, since it is larger than the sum of its proper divisors (25023347).

75070029 is a wasteful number, since it uses less digits than its factorization.

75070029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25023346.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 75070029 is about 8664.2962206979. The cubic root of 75070029 is about 421.8475468116.

The spelling of 75070029 in words is "seventy-five million, seventy thousand, twenty-nine".