740306868 has 48 divisors (see below), whose sum is σ = 1977421824. Its totient is φ = 211165920.

The previous prime is 740306863. The next prime is 740306869. The reversal of 740306868 is 868603047.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740306863) 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 15 ways as a sum of consecutive naturals, for example, 46021 + ... + 59987.

It is an arithmetic number, because the mean of its divisors is an integer number (41196288).

Almost surely, 2^740306868 is an apocalyptic number.

It is an amenable number.

740306868 is an abundant number, since it is smaller than the sum of its proper divisors (1237114956).

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

740306868 is a wasteful number, since it uses less digits than its factorization.

740306868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 740306868 is about 27208.5807788646. The cubic root of 740306868 is about 904.6291809245.

The spelling of 740306868 in words is "seven hundred forty million, three hundred six thousand, eight hundred sixty-eight".