740743978 has 8 divisors (see below), whose sum is σ = 1196586468. Its totient is φ = 341881824.

The previous prime is 740743973. The next prime is 740743979. The reversal of 740743978 is 879347047.

740743978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 733705569 + 7038409 = 27087^2 + 2653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (740743973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14245051 + ... + 14245102.

Almost surely, 2^740743978 is an apocalyptic number.

740743978 is a deficient number, since it is larger than the sum of its proper divisors (455842490).

740743978 is a wasteful number, since it uses less digits than its factorization.

740743978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490168.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 740743978 is about 27216.6121697760. The cubic root of 740743978 is about 904.8071902874.

The spelling of 740743978 in words is "seven hundred forty million, seven hundred forty-three thousand, nine hundred seventy-eight".