748316978 has 8 divisors (see below), whose sum is σ = 1122870060. Its totient is φ = 374026960.

The previous prime is 748316977. The next prime is 748317007. The reversal of 748316978 is 879613847.

It can be written as a sum of positive squares in 2 ways, for example, as 747639649 + 677329 = 27343^2 + 823^2 .

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 (748316977) 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, 58493 + ... + 70128.

Almost surely, 2^748316978 is an apocalyptic number.

748316978 is a deficient number, since it is larger than the sum of its proper divisors (374553082).

748316978 is a wasteful number, since it uses less digits than its factorization.

748316978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131532.

The product of its digits is 2032128, while the sum is 53.

The square root of 748316978 is about 27355.3829803203. The cubic root of 748316978 is about 907.8801754395.

The spelling of 748316978 in words is "seven hundred forty-eight million, three hundred sixteen thousand, nine hundred seventy-eight".