75070370077 has 8 divisors (see below), whose sum is σ = 77894140856. Its totient is φ = 72288433152.

The previous prime is 75070370051. The next prime is 75070370131. The reversal of 75070370077 is 77007307057.

It can be written as a sum of positive squares in 4 ways, for example, as 46244782116 + 28825587961 = 215046^2 + 169781^2 .

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 75070370077 - 2⁷ = 75070369949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75070370017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454808 + ... + 10461985.

It is an arithmetic number, because the mean of its divisors is an integer number (9736767607).

Almost surely, 2^75070370077 is an apocalyptic number.

It is an amenable number.

75070370077 is a deficient number, since it is larger than the sum of its proper divisors (2823770779).

75070370077 is a wasteful number, since it uses less digits than its factorization.

75070370077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20916927.

The product of its (nonzero) digits is 252105, while the sum is 43.

The spelling of 75070370077 in words is "seventy-five billion, seventy million, three hundred seventy thousand, seventy-seven".