740270641 has 4 divisors (see below), whose sum is σ = 807567984. Its totient is φ = 672973300.

The previous prime is 740270569. The next prime is 740270659. The reversal of 740270641 is 146072047.

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 a cyclic number.

It is not a de Polignac number, because 740270641 - 2¹⁹ = 739746353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740277641) 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, 33648655 + ... + 33648676.

It is an arithmetic number, because the mean of its divisors is an integer number (201891996).

Almost surely, 2^740270641 is an apocalyptic number.

It is an amenable number.

740270641 is a deficient number, since it is larger than the sum of its proper divisors (67297343).

740270641 is a wasteful number, since it uses less digits than its factorization.

740270641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67297342.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 740270641 is about 27207.9150432370. The cubic root of 740270641 is about 904.6144246402.

The spelling of 740270641 in words is "seven hundred forty million, two hundred seventy thousand, six hundred forty-one".