740731320 has 96 divisors (see below), whose sum is σ = 2751297120. Its totient is φ = 169309440.

The previous prime is 740731309. The next prime is 740731333. The reversal of 740731320 is 23137047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144451 + ... + 149490.

It is an arithmetic number, because the mean of its divisors is an integer number (28659345).

Almost surely, 2^740731320 is an apocalyptic number.

740731320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

740731320 is an abundant number, since it is smaller than the sum of its proper divisors (2010565800).

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

740731320 is a wasteful number, since it uses less digits than its factorization.

740731320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293965 (or 293958 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 740731320 is about 27216.3796269820. The cubic root of 740731320 is about 904.8020364083.

Adding to 740731320 its reverse (23137047), we get a palindrome (763868367).

The spelling of 740731320 in words is "seven hundred forty million, seven hundred thirty-one thousand, three hundred twenty".