740339771 has 4 divisors (see below), whose sum is σ = 760348992. Its totient is φ = 720330552.

The previous prime is 740339689. The next prime is 740339773. The reversal of 740339771 is 177933047.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740339771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740339773) 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, 10004555 + ... + 10004628.

It is an arithmetic number, because the mean of its divisors is an integer number (190087248).

Almost surely, 2^740339771 is an apocalyptic number.

740339771 is a deficient number, since it is larger than the sum of its proper divisors (20009221).

740339771 is a wasteful number, since it uses less digits than its factorization.

740339771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20009220.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 740339771 is about 27209.1854159583. The cubic root of 740339771 is about 904.6425828322.

It can be divided in two parts, 7403 and 39771, that added together give a palindrome (47174).

The spelling of 740339771 in words is "seven hundred forty million, three hundred thirty-nine thousand, seven hundred seventy-one".