75087379 has 6 divisors (see below), whose sum is σ = 76533716. Its totient is φ = 73667880.

The previous prime is 75087377. The next prime is 75087407. The reversal of 75087379 is 97378057.

It is a happy number.

It is not a de Polignac number, because 75087379 - 2¹ = 75087377 is a prime.

It is a super-2 number, since 2×75087379² = 11276228970179282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75087377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10557 + ... + 16174.

Almost surely, 2^75087379 is an apocalyptic number.

75087379 is a deficient number, since it is larger than the sum of its proper divisors (1446337).

75087379 is an equidigital number, since it uses as much as digits as its factorization.

75087379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837 (or 26784 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 75087379 is about 8665.2973982432. The cubic root of 75087379 is about 421.8800430966.

It can be divided in two parts, 75087 and 379, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 75087379 in words is "seventy-five million, eighty-seven thousand, three hundred seventy-nine".