761431 has 4 divisors (see below), whose sum is σ = 830664. Its totient is φ = 692200.

The previous prime is 761429. The next prime is 761437. The reversal of 761431 is 134167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134167 = 11 ⋅12197.

It is a cyclic number.

It is not a de Polignac number, because 761431 - 2¹ = 761429 is a prime.

It is a super-2 number, since 2×761431² = 1159554335522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34600 + ... + 34621.

It is an arithmetic number, because the mean of its divisors is an integer number (207666).

2⁷⁶¹⁴³¹ is an apocalyptic number.

761431 is a deficient number, since it is larger than the sum of its proper divisors (69233).

761431 is a wasteful number, since it uses less digits than its factorization.

761431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69232.

The product of its digits is 504, while the sum is 22.

The square root of 761431 is about 872.6001375200. The cubic root of 761431 is about 91.3152932325.

Adding to 761431 its reverse (134167), we get a palindrome (895598).

Subtracting from 761431 its reverse (134167), we obtain a square (627264 = 792²).

The spelling of 761431 in words is "seven hundred sixty-one thousand, four hundred thirty-one".