720762114661 has 16 divisors (see below), whose sum is σ = 747707563008. Its totient is φ = 694212120000.

The previous prime is 720762114643. The next prime is 720762114713. The reversal of 720762114661 is 166411267027.

It is a cyclic number.

It is not a de Polignac number, because 720762114661 - 2¹³ = 720762106469 is a prime.

It is a super-2 number, since 2×720762114661² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720765114661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25408636 + ... + 25436986.

It is an arithmetic number, because the mean of its divisors is an integer number (46731722688).

Almost surely, 2^720762114661 is an apocalyptic number.

It is an amenable number.

720762114661 is a deficient number, since it is larger than the sum of its proper divisors (26945448347).

720762114661 is a wasteful number, since it uses less digits than its factorization.

720762114661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35292.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 720762114661 in words is "seven hundred twenty billion, seven hundred sixty-two million, one hundred fourteen thousand, six hundred sixty-one".