75148701 has 4 divisors (see below), whose sum is σ = 100198272. Its totient is φ = 50099132.

The previous prime is 75148699. The next prime is 75148709. The reversal of 75148701 is 10784157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10784157 = 3 ⋅3594719.

It is a cyclic number.

It is not a de Polignac number, because 75148701 - 2¹ = 75148699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75148709) 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, 12524781 + ... + 12524786.

It is an arithmetic number, because the mean of its divisors is an integer number (25049568).

Almost surely, 2^75148701 is an apocalyptic number.

It is an amenable number.

75148701 is a deficient number, since it is larger than the sum of its proper divisors (25049571).

75148701 is a wasteful number, since it uses less digits than its factorization.

75148701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25049570.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 75148701 is about 8668.8350428417. The cubic root of 75148701 is about 421.9948581690.

The spelling of 75148701 in words is "seventy-five million, one hundred forty-eight thousand, seven hundred one".