60730391 has 4 divisors (see below), whose sum is σ = 61331784. Its totient is φ = 60129000.

The previous prime is 60730349. The next prime is 60730399. The reversal of 60730391 is 19303706.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60730391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60730399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300545 + ... + 300746.

It is an arithmetic number, because the mean of its divisors is an integer number (15332946).

Almost surely, 2^60730391 is an apocalyptic number.

60730391 is a deficient number, since it is larger than the sum of its proper divisors (601393).

60730391 is a wasteful number, since it uses less digits than its factorization.

60730391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601392.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 60730391 is about 7792.9706145988. The cubic root of 60730391 is about 393.0689081863.

The spelling of 60730391 in words is "sixty million, seven hundred thirty thousand, three hundred ninety-one".