72653654 has 8 divisors (see below), whose sum is σ = 109240608. Its totient is φ = 36240120.

The previous prime is 72653641. The next prime is 72653657. The reversal of 72653654 is 45635627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72653657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42302 + ... + 43985.

It is an arithmetic number, because the mean of its divisors is an integer number (13655076).

Almost surely, 2^72653654 is an apocalyptic number.

72653654 is a deficient number, since it is larger than the sum of its proper divisors (36586954).

72653654 is a wasteful number, since it uses less digits than its factorization.

72653654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86710.

The product of its digits is 151200, while the sum is 38.

The square root of 72653654 is about 8523.7112808917. The cubic root of 72653654 is about 417.2719138541.

The spelling of 72653654 in words is "seventy-two million, six hundred fifty-three thousand, six hundred fifty-four".