761327381 has 4 divisors (see below), whose sum is σ = 762210432. Its totient is φ = 760444332.

The previous prime is 761327323. The next prime is 761327387. The reversal of 761327381 is 183723167.

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.

It is a cyclic number.

It is not a de Polignac number, because 761327381 - 2⁶ = 761327317 is a prime.

It is a super-2 number, since 2×761327381² = 1159238762120638322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761327387) 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, 440231 + ... + 441956.

It is an arithmetic number, because the mean of its divisors is an integer number (190552608).

Almost surely, 2^761327381 is an apocalyptic number.

It is an amenable number.

761327381 is a deficient number, since it is larger than the sum of its proper divisors (883051).

761327381 is an equidigital number, since it uses as much as digits as its factorization.

761327381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883050.

The product of its digits is 42336, while the sum is 38.

The square root of 761327381 is about 27592.1615862186. The cubic root of 761327381 is about 913.1115084420. Note that the first 3 decimals are identical.

The spelling of 761327381 in words is "seven hundred sixty-one million, three hundred twenty-seven thousand, three hundred eighty-one".