761472137 has 8 divisors (see below), whose sum is σ = 768071496. Its totient is φ = 754895232.

The previous prime is 761472119. The next prime is 761472149. The reversal of 761472137 is 731274167.

It can be written as a sum of positive squares in 4 ways, for example, as 440202361 + 321269776 = 20981^2 + 17924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761472137 - 2¹² = 761468041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761472137.

It is not an unprimeable number, because it can be changed into a prime (761472037) 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 7 ways as a sum of consecutive naturals, for example, 66443 + ... + 77055.

It is an arithmetic number, because the mean of its divisors is an integer number (96008937).

Almost surely, 2^761472137 is an apocalyptic number.

It is an amenable number.

761472137 is a deficient number, since it is larger than the sum of its proper divisors (6599359).

761472137 is a wasteful number, since it uses less digits than its factorization.

761472137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227.

The product of its digits is 49392, while the sum is 38.

The square root of 761472137 is about 27594.7845978185. The cubic root of 761472137 is about 913.1693766673.

The spelling of 761472137 in words is "seven hundred sixty-one million, four hundred seventy-two thousand, one hundred thirty-seven".