740345065 has 4 divisors (see below), whose sum is σ = 888414084. Its totient is φ = 592276048.

The previous prime is 740345033. The next prime is 740345071. The reversal of 740345065 is 560543047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583319104 + 157025961 = 24152^2 + 12531^2 .

It is a cyclic number.

It is not a de Polignac number, because 740345065 - 2⁵ = 740345033 is a prime.

It is a super-2 number, since 2×740345065² = 1096221630539708450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740345065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74034502 + ... + 74034511.

It is an arithmetic number, because the mean of its divisors is an integer number (222103521).

Almost surely, 2^740345065 is an apocalyptic number.

It is an amenable number.

740345065 is a deficient number, since it is larger than the sum of its proper divisors (148069019).

740345065 is a wasteful number, since it uses less digits than its factorization.

740345065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148069018.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 740345065 is about 27209.2826991084. The cubic root of 740345065 is about 904.6447391243.

The spelling of 740345065 in words is "seven hundred forty million, three hundred forty-five thousand, sixty-five".