72601345 has 8 divisors (see below), whose sum is σ = 88171776. Its totient is φ = 57380976.

The previous prime is 72601327. The next prime is 72601351. The reversal of 72601345 is 54310627.

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

It is a cyclic number.

It is not a de Polignac number, because 72601345 - 2¹³ = 72593153 is a prime.

It is a Duffinian number.

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, 87057 + ... + 87886.

It is an arithmetic number, because the mean of its divisors is an integer number (11021472).

Almost surely, 2^72601345 is an apocalyptic number.

It is an amenable number.

72601345 is a deficient number, since it is larger than the sum of its proper divisors (15570431).

72601345 is a wasteful number, since it uses less digits than its factorization.

72601345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175031.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72601345 is about 8520.6422879968. The cubic root of 72601345 is about 417.1717476740.

The spelling of 72601345 in words is "seventy-two million, six hundred one thousand, three hundred forty-five".