764120541 has 4 divisors (see below), whose sum is σ = 1018827392. Its totient is φ = 509413692.

The previous prime is 764120537. The next prime is 764120563. The reversal of 764120541 is 145021467.

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: 145021467 = 3 ⋅48340489.

It is not a de Polignac number, because 764120541 - 2² = 764120537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764120499 and 764120508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764120141) 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, 127353421 + ... + 127353426.

It is an arithmetic number, because the mean of its divisors is an integer number (254706848).

Almost surely, 2^764120541 is an apocalyptic number.

It is an amenable number.

764120541 is a deficient number, since it is larger than the sum of its proper divisors (254706851).

764120541 is a wasteful number, since it uses less digits than its factorization.

764120541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254706850.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 764120541 is about 27642.7303463316. The cubic root of 764120541 is about 914.2268209403.

It can be divided in two parts, 7641 and 20541, that added together give a palindrome (28182).

The spelling of 764120541 in words is "seven hundred sixty-four million, one hundred twenty thousand, five hundred forty-one".