761540005 has 16 divisors (see below), whose sum is σ = 954322560. Its totient is φ = 582290368.

The previous prime is 761539967. The next prime is 761540009. The reversal of 761540005 is 500045167.

761540005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 761540005 - 2¹⁵ = 761507237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761540009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281439 + ... + 284131.

It is an arithmetic number, because the mean of its divisors is an integer number (59645160).

Almost surely, 2^761540005 is an apocalyptic number.

It is an amenable number.

761540005 is a deficient number, since it is larger than the sum of its proper divisors (192782555).

761540005 is a wasteful number, since it uses less digits than its factorization.

761540005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 761540005 is about 27596.0142955464. The cubic root of 761540005 is about 913.1965053194.

It can be divided in two parts, 76 and 1540005, that added together give a square (1540081 = 1241²).

The spelling of 761540005 in words is "seven hundred sixty-one million, five hundred forty thousand, five".