740077778 has 16 divisors (see below), whose sum is σ = 1274775840. Its totient is φ = 318693600.

The previous prime is 740077771. The next prime is 740077817. The reversal of 740077778 is 877770047.

It is not an unprimeable number, because it can be changed into a prime (740077771) 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, 884843 + ... + 885678.

It is an arithmetic number, because the mean of its divisors is an integer number (79673490).

Almost surely, 2^740077778 is an apocalyptic number.

740077778 is a deficient number, since it is larger than the sum of its proper divisors (534698062).

740077778 is a wasteful number, since it uses less digits than its factorization.

740077778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770553.

The product of its (nonzero) digits is 537824, while the sum is 47.

The square root of 740077778 is about 27204.3705679804. The cubic root of 740077778 is about 904.5358579667.

The spelling of 740077778 in words is "seven hundred forty million, seventy-seven thousand, seven hundred seventy-eight".