704039978 has 8 divisors (see below), whose sum is σ = 1078529472. Its totient is φ = 344530156.

The previous prime is 704039957. The next prime is 704039983. The reversal of 704039978 is 879930407.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744800 + ... + 3744987.

It is an arithmetic number, because the mean of its divisors is an integer number (134816184).

Almost surely, 2^704039978 is an apocalyptic number.

704039978 is a deficient number, since it is larger than the sum of its proper divisors (374489494).

704039978 is a wasteful number, since it uses less digits than its factorization.

704039978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489836.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 704039978 is about 26533.7516759315. The cubic root of 704039978 is about 889.6088749764.

The spelling of 704039978 in words is "seven hundred four million, thirty-nine thousand, nine hundred seventy-eight".