690726141 has 12 divisors (see below), whose sum is σ = 1140246432. Its totient is φ = 394700616.

The previous prime is 690726131. The next prime is 690726149. The reversal of 690726141 is 141627096.

It is not a de Polignac number, because 690726141 - 2¹⁵ = 690693373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690726096 and 690726105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690726149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5481891 + ... + 5482016.

It is an arithmetic number, because the mean of its divisors is an integer number (95020536).

Almost surely, 2^690726141 is an apocalyptic number.

It is an amenable number.

690726141 is a deficient number, since it is larger than the sum of its proper divisors (449520291).

690726141 is a wasteful number, since it uses less digits than its factorization.

690726141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963920 (or 10963917 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 690726141 is about 26281.6692962985. The cubic root of 690726141 is about 883.9654635436.

The spelling of 690726141 in words is "six hundred ninety million, seven hundred twenty-six thousand, one hundred forty-one".