740313778 has 4 divisors (see below), whose sum is σ = 1110470670. Its totient is φ = 370156888.

The previous prime is 740313731. The next prime is 740313781. The reversal of 740313778 is 877313047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 734247409 + 6066369 = 27097^2 + 2463^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 740313778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185078443 + ... + 185078446.

Almost surely, 2^740313778 is an apocalyptic number.

740313778 is a deficient number, since it is larger than the sum of its proper divisors (370156892).

740313778 is a wasteful number, since it uses less digits than its factorization.

740313778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370156891.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 740313778 is about 27208.7077605681. The cubic root of 740313778 is about 904.6319955088.

The spelling of 740313778 in words is "seven hundred forty million, three hundred thirteen thousand, seven hundred seventy-eight".