62066721 has 4 divisors (see below), whose sum is σ = 82755632. Its totient is φ = 41377812.

The previous prime is 62066713. The next prime is 62066729. The reversal of 62066721 is 12766026.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (62066713) and next prime (62066729).

It is not a de Polignac number, because 62066721 - 2³ = 62066713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62066729) 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, 10344451 + ... + 10344456.

It is an arithmetic number, because the mean of its divisors is an integer number (20688908).

Almost surely, 2^62066721 is an apocalyptic number.

It is an amenable number.

62066721 is a deficient number, since it is larger than the sum of its proper divisors (20688911).

62066721 is a wasteful number, since it uses less digits than its factorization.

62066721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688910.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 62066721 is about 7878.2435225119. The cubic root of 62066721 is about 395.9310855999.

The spelling of 62066721 in words is "sixty-two million, sixty-six thousand, seven hundred twenty-one".