740100261 has 4 divisors (see below), whose sum is σ = 986800352. Its totient is φ = 493400172.

The previous prime is 740100241. The next prime is 740100269. The reversal of 740100261 is 162001047.

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 not a de Polignac number, because 740100261 - 2⁶ = 740100197 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 (740100269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123350041 + ... + 123350046.

It is an arithmetic number, because the mean of its divisors is an integer number (246700088).

Almost surely, 2^740100261 is an apocalyptic number.

It is an amenable number.

740100261 is a deficient number, since it is larger than the sum of its proper divisors (246700091).

740100261 is a wasteful number, since it uses less digits than its factorization.

740100261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246700090.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 740100261 is about 27204.7837888854. The cubic root of 740100261 is about 904.5450175777.

The spelling of 740100261 in words is "seven hundred forty million, one hundred thousand, two hundred sixty-one".