479978074 has 4 divisors (see below), whose sum is σ = 719967114. Its totient is φ = 239989036.

The previous prime is 479978071. The next prime is 479978137. The reversal of 479978074 is 470879974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 244140625 + 235837449 = 15625^2 + 15357^2 .

It is not an unprimeable number, because it can be changed into a prime (479978071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119994517 + ... + 119994520.

Almost surely, 2^479978074 is an apocalyptic number.

479978074 is a deficient number, since it is larger than the sum of its proper divisors (239989040).

479978074 is a wasteful number, since it uses less digits than its factorization.

479978074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239989039.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 479978074 is about 21908.4019042923. The cubic root of 479978074 is about 782.9616061928.

The spelling of 479978074 in words is "four hundred seventy-nine million, nine hundred seventy-eight thousand, seventy-four".