60771621 has 8 divisors (see below), whose sum is σ = 81069184. Its totient is φ = 40494240.

The previous prime is 60771541. The next prime is 60771631. The reversal of 60771621 is 12617706.

It is a happy number.

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

It is not a de Polignac number, because 60771621 - 2⁷ = 60771493 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 (60771631) 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, 4641 + ... + 11961.

It is an arithmetic number, because the mean of its divisors is an integer number (10133648).

Almost surely, 2^60771621 is an apocalyptic number.

It is an amenable number.

60771621 is a deficient number, since it is larger than the sum of its proper divisors (20297563).

60771621 is a wasteful number, since it uses less digits than its factorization.

60771621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 60771621 is about 7795.6154984709. The cubic root of 60771621 is about 393.1578398547.

The spelling of 60771621 in words is "sixty million, seven hundred seventy-one thousand, six hundred twenty-one".