72643054 has 8 divisors (see below), whose sum is σ = 118870488. Its totient is φ = 33019560.

The previous prime is 72643003. The next prime is 72643073. The reversal of 72643054 is 45034627.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650957 + ... + 1651000.

It is an arithmetic number, because the mean of its divisors is an integer number (14858811).

Almost surely, 2^72643054 is an apocalyptic number.

72643054 is a deficient number, since it is larger than the sum of its proper divisors (46227434).

72643054 is a wasteful number, since it uses less digits than its factorization.

72643054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301970.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 72643054 is about 8523.0894633343. The cubic root of 72643054 is about 417.2516198649.

The spelling of 72643054 in words is "seventy-two million, six hundred forty-three thousand, fifty-four".