760020721 has 4 divisors (see below), whose sum is σ = 763048944. Its totient is φ = 756992500.

The previous prime is 760020673. The next prime is 760020727. The reversal of 760020721 is 127020067.

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 a cyclic number.

It is not a de Polignac number, because 760020721 - 2¹⁵ = 759987953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (760020727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513735 + ... + 1514236.

It is an arithmetic number, because the mean of its divisors is an integer number (190762236).

Almost surely, 2^760020721 is an apocalyptic number.

It is an amenable number.

760020721 is a deficient number, since it is larger than the sum of its proper divisors (3028223).

760020721 is a wasteful number, since it uses less digits than its factorization.

760020721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028222.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 760020721 is about 27568.4733164533. The cubic root of 760020721 is about 912.5888206779.

Adding to 760020721 its reverse (127020067), we get a palindrome (887040788).

The spelling of 760020721 in words is "seven hundred sixty million, twenty thousand, seven hundred twenty-one".