47720672163026 has 16 divisors (see below), whose sum is σ = 73515820057560. Its totient is φ = 23215402143360.

The previous prime is 47720672162987. The next prime is 47720672163053. The reversal of 47720672163026 is 62036127602774.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47609986200001 + 110685963025 = 6899999^2 + 332695^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44691446 + ... + 45746766.

Almost surely, 2^{47720672163026} is an apocalyptic number.

47720672163026 is a deficient number, since it is larger than the sum of its proper divisors (25795147894534).

47720672163026 is a wasteful number, since it uses less digits than its factorization.

47720672163026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666429.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 47720672163026 in words is "forty-seven trillion, seven hundred twenty billion, six hundred seventy-two million, one hundred sixty-three thousand, twenty-six".