75424307 has 8 divisors (see below), whose sum is σ = 86457696. Its totient is φ = 64455552.

The previous prime is 75424303. The next prime is 75424309. The reversal of 75424307 is 70342457.

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

It is not a de Polignac number, because 75424307 - 2² = 75424303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75424301) 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, 13628 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (10807212).

Almost surely, 2^75424307 is an apocalyptic number.

75424307 is a deficient number, since it is larger than the sum of its proper divisors (11033389).

75424307 is a wasteful number, since it uses less digits than its factorization.

75424307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32317.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 75424307 is about 8684.7168635483. The cubic root of 75424307 is about 422.5101140163.

The spelling of 75424307 in words is "seventy-five million, four hundred twenty-four thousand, three hundred seven".