75370747 has 4 divisors (see below), whose sum is σ = 78647760. Its totient is φ = 72093736.

The previous prime is 75370727. The next prime is 75370781. The reversal of 75370747 is 74707357.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75370747 - 2⁷ = 75370619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75370727) 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, 1638472 + ... + 1638517.

It is an arithmetic number, because the mean of its divisors is an integer number (19661940).

Almost surely, 2^75370747 is an apocalyptic number.

75370747 is a deficient number, since it is larger than the sum of its proper divisors (3277013).

75370747 is a wasteful number, since it uses less digits than its factorization.

75370747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277012.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 75370747 is about 8681.6327381432. The cubic root of 75370747 is about 422.4100799500.

The spelling of 75370747 in words is "seventy-five million, three hundred seventy thousand, seven hundred forty-seven".