761491 has 4 divisors (see below), whose sum is σ = 764712. Its totient is φ = 758272.

The previous prime is 761489. The next prime is 761521. The reversal of 761491 is 194167.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 761491 - 2¹ = 761489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761441) 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, 1225 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (191178).

2⁷⁶¹⁴⁹¹ is an apocalyptic number.

761491 is a deficient number, since it is larger than the sum of its proper divisors (3221).

761491 is a wasteful number, since it uses less digits than its factorization.

761491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its digits is 1512, while the sum is 28.

The square root of 761491 is about 872.6345168511. The cubic root of 761491 is about 91.3176916874.

The spelling of 761491 in words is "seven hundred sixty-one thousand, four hundred ninety-one".