740740742 has 16 divisors (see below), whose sum is σ = 1295757600. Its totient is φ = 317460024.

The previous prime is 740740739. The next prime is 740740769. The reversal of 740740742 is 247047047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539213 + ... + 540584.

It is an arithmetic number, because the mean of its divisors is an integer number (80984850).

Almost surely, 2^740740742 is an apocalyptic number.

740740742 is a deficient number, since it is larger than the sum of its proper divisors (555016858).

740740742 is a wasteful number, since it uses less digits than its factorization.

740740742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079820 (or 1079806 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 740740742 is about 27216.5527207249. The cubic root of 740740742 is about 904.8058727110.

Adding to 740740742 its reverse (247047047), we get a palindrome (987787789).

The spelling of 740740742 in words is "seven hundred forty million, seven hundred forty thousand, seven hundred forty-two".