747131461 has 4 divisors (see below), whose sum is σ = 748818432. Its totient is φ = 745444492.

The previous prime is 747131449. The next prime is 747131543. The reversal of 747131461 is 164131747.

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 747131461 - 2¹³ = 747123269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747131431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842821 + ... + 843706.

It is an arithmetic number, because the mean of its divisors is an integer number (187204608).

Almost surely, 2^747131461 is an apocalyptic number.

It is an amenable number.

747131461 is a deficient number, since it is larger than the sum of its proper divisors (1686971).

747131461 is a wasteful number, since it uses less digits than its factorization.

747131461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686970.

The product of its digits is 14112, while the sum is 34.

The square root of 747131461 is about 27333.7055848635. The cubic root of 747131461 is about 907.4004873339.

The spelling of 747131461 in words is "seven hundred forty-seven million, one hundred thirty-one thousand, four hundred sixty-one".