75749937 has 4 divisors (see below), whose sum is σ = 100999920. Its totient is φ = 50499956.

The previous prime is 75749929. The next prime is 75749951. The reversal of 75749937 is 73994757.

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: 73994757 = 3 ⋅24664919.

It is a cyclic number.

It is not a de Polignac number, because 75749937 - 2³ = 75749929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75749937.

It is not an unprimeable number, because it can be changed into a prime (75749987) 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, 12624987 + ... + 12624992.

It is an arithmetic number, because the mean of its divisors is an integer number (25249980).

Almost surely, 2^75749937 is an apocalyptic number.

It is an amenable number.

75749937 is a deficient number, since it is larger than the sum of its proper divisors (25249983).

75749937 is a wasteful number, since it uses less digits than its factorization.

75749937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25249982.

The product of its digits is 1666980, while the sum is 51.

The square root of 75749937 is about 8703.4439735084. The cubic root of 75749937 is about 423.1172765824.

The spelling of 75749937 in words is "seventy-five million, seven hundred forty-nine thousand, nine hundred thirty-seven".