740571816 has 128 divisors (see below), whose sum is σ = 2090188800. Its totient is φ = 217267200.

The previous prime is 740571773. The next prime is 740571827. The reversal of 740571816 is 618175047.

It is a super-2 number, since 2×740571816² = 1096893229307075712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642841 + ... + 643991.

It is an arithmetic number, because the mean of its divisors is an integer number (16329600).

Almost surely, 2^740571816 is an apocalyptic number.

740571816 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740571816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045094400).

740571816 is an abundant number, since it is smaller than the sum of its proper divisors (1349616984).

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

740571816 is a wasteful number, since it uses less digits than its factorization.

740571816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 740571816 is about 27213.4491749943. The cubic root of 740571816 is about 904.7370871254.

The spelling of 740571816 in words is "seven hundred forty million, five hundred seventy-one thousand, eight hundred sixteen".