75240977 has 8 divisors (see below), whose sum is σ = 86568000. Its totient is φ = 64058544.

The previous prime is 75240967. The next prime is 75240983. The reversal of 75240977 is 77904257.

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 75240977 - 2⁴ = 75240961 is a prime.

It is a super-2 number, since 2×75240977² = 11322409239829058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75240967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35027 + ... + 37112.

It is an arithmetic number, because the mean of its divisors is an integer number (10821000).

Almost surely, 2^75240977 is an apocalyptic number.

It is an amenable number.

75240977 is a deficient number, since it is larger than the sum of its proper divisors (11327023).

75240977 is a wasteful number, since it uses less digits than its factorization.

75240977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72295.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 75240977 is about 8674.1556937837. The cubic root of 75240977 is about 422.1675117194.

The spelling of 75240977 in words is "seventy-five million, two hundred forty thousand, nine hundred seventy-seven".