761538073 has 4 divisors (see below), whose sum is σ = 794648448. Its totient is φ = 728427700.

The previous prime is 761538067. The next prime is 761538097. The reversal of 761538073 is 370835167.

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, and also an emirpimes, since its reverse is a distinct semiprime: 370835167 = 647 ⋅573161.

It is a cyclic number.

It is not a de Polignac number, because 761538073 - 2¹⁷ = 761407001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761538053) 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, 16555153 + ... + 16555198.

It is an arithmetic number, because the mean of its divisors is an integer number (198662112).

Almost surely, 2^761538073 is an apocalyptic number.

It is an amenable number.

761538073 is a deficient number, since it is larger than the sum of its proper divisors (33110375).

761538073 is a wasteful number, since it uses less digits than its factorization.

761538073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33110374.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 761538073 is about 27595.9792904691. The cubic root of 761538073 is about 913.1957330697.

The spelling of 761538073 in words is "seven hundred sixty-one million, five hundred thirty-eight thousand, seventy-three".