4726735978 has 4 divisors (see below), whose sum is σ = 7090103970. Its totient is φ = 2363367988.

The previous prime is 4726735973. The next prime is 4726735987. The reversal of 4726735978 is 8795376274.

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., 4459969089 + 266766889 = 66783^2 + 16333^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4726735973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1181683993 + ... + 1181683996.

Almost surely, 2^4726735978 is an apocalyptic number.

4726735978 is a deficient number, since it is larger than the sum of its proper divisors (2363367992).

4726735978 is a wasteful number, since it uses less digits than its factorization.

4726735978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363367991.

The product of its digits is 17781120, while the sum is 58.

The square root of 4726735978 is about 68751.2616466054. The cubic root of 4726735978 is about 1678.2388926572.

The spelling of 4726735978 in words is "four billion, seven hundred twenty-six million, seven hundred thirty-five thousand, nine hundred seventy-eight".