740443836 has 24 divisors (see below), whose sum is σ = 1884766464. Its totient is φ = 224376880.

The previous prime is 740443831. The next prime is 740443841. The reversal of 740443836 is 638344047.

It is an interprime number because it is at equal distance from previous prime (740443831) and next prime (740443841).

It is a junction number, because it is equal to n+sod(n) for n = 740443794 and 740443803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740443831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804580 + ... + 2804843.

It is an arithmetic number, because the mean of its divisors is an integer number (78531936).

Almost surely, 2^740443836 is an apocalyptic number.

It is an amenable number.

740443836 is an abundant number, since it is smaller than the sum of its proper divisors (1144322628).

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

740443836 is a wasteful number, since it uses less digits than its factorization.

740443836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609441 (or 5609439 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 740443836 is about 27211.0976625347. The cubic root of 740443836 is about 904.6849675243.

The spelling of 740443836 in words is "seven hundred forty million, four hundred forty-three thousand, eight hundred thirty-six".