740739408 has 80 divisors (see below), whose sum is σ = 1983224256. Its totient is φ = 238049280.

The previous prime is 740739407. The next prime is 740739437. The reversal of 740739408 is 804937047.

It is a self number, because there is not a number n which added to its sum of digits gives 740739408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740739401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198843 + ... + 202533.

Almost surely, 2^740739408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740739408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991612128).

740739408 is an abundant number, since it is smaller than the sum of its proper divisors (1242484848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740739408 is a wasteful number, since it uses less digits than its factorization.

740739408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3846 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 740739408 is about 27216.5282135690. The cubic root of 740739408 is about 904.8053295557.

It can be divided in two parts, 740739 and 408, that added together give a palindrome (741147).

The spelling of 740739408 in words is "seven hundred forty million, seven hundred thirty-nine thousand, four hundred eight".