748978 has 8 divisors (see below), whose sum is σ = 1130220. Its totient is φ = 372240.

The previous prime is 748973. The next prime is 748981. The reversal of 748978 is 879847.

748978 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 2 ways, for example, as 558009 + 190969 = 747^2 + 437^2 .

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 (748973) 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, 673 + ... + 1396.

2⁷⁴⁸⁹⁷⁸ is an apocalyptic number.

748978 is a deficient number, since it is larger than the sum of its proper divisors (381242).

748978 is a wasteful number, since it uses less digits than its factorization.

748978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its digits is 112896, while the sum is 43.

The square root of 748978 is about 865.4351506612. The cubic root of 748978 is about 90.8147420545.

The spelling of 748978 in words is "seven hundred forty-eight thousand, nine hundred seventy-eight".