752978 has 8 divisors (see below), whose sum is σ = 1133568. Its totient is φ = 375124.

The previous prime is 752977. The next prime is 752993. The reversal of 752978 is 879257.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 752978.

It is not an unprimeable number, because it can be changed into a prime (752977) 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, 275 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (141696).

2⁷⁵²⁹⁷⁸ is an apocalyptic number.

752978 is a deficient number, since it is larger than the sum of its proper divisors (380590).

752978 is a wasteful number, since it uses less digits than its factorization.

752978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its digits is 35280, while the sum is 38.

The square root of 752978 is about 867.7430495256. The cubic root of 752978 is about 90.9761238330.

The spelling of 752978 in words is "seven hundred fifty-two thousand, nine hundred seventy-eight".