72847654 has 16 divisors (see below), whose sum is σ = 121227840. Its totient is φ = 32550760.

The previous prime is 72847651. The next prime is 72847667. The reversal of 72847654 is 45674827.

It is a self number, because there is not a number n which added to its sum of digits gives 72847654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72847651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26764 + ... + 29359.

It is an arithmetic number, because the mean of its divisors is an integer number (7576740).

Almost surely, 2^72847654 is an apocalyptic number.

72847654 is a deficient number, since it is larger than the sum of its proper divisors (48380186).

72847654 is a wasteful number, since it uses less digits than its factorization.

72847654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56195.

The product of its digits is 376320, while the sum is 43.

The square root of 72847654 is about 8535.0837137078. The cubic root of 72847654 is about 417.6429840017.

The spelling of 72847654 in words is "seventy-two million, eight hundred forty-seven thousand, six hundred fifty-four".