60721393 has 8 divisors (see below), whose sum is σ = 61459200. Its totient is φ = 59987088.

The previous prime is 60721391. The next prime is 60721417. The reversal of 60721393 is 39312706.

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 60721393 - 2¹ = 60721391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60721391) 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, 51630 + ... + 52792.

It is an arithmetic number, because the mean of its divisors is an integer number (7682400).

Almost surely, 2^60721393 is an apocalyptic number.

It is an amenable number.

60721393 is a deficient number, since it is larger than the sum of its proper divisors (737807).

60721393 is a wasteful number, since it uses less digits than its factorization.

60721393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 60721393 is about 7792.3932780629. The cubic root of 60721393 is about 393.0494944646.

The spelling of 60721393 in words is "sixty million, seven hundred twenty-one thousand, three hundred ninety-three".