60720705 has 16 divisors (see below), whose sum is σ = 107948160. Its totient is φ = 32384304.

The previous prime is 60720701. The next prime is 60720761. The reversal of 60720705 is 50702706.

It is not a de Polignac number, because 60720705 - 2² = 60720701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (60720701) 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, 224757 + ... + 225026.

It is an arithmetic number, because the mean of its divisors is an integer number (6746760).

Almost surely, 2^60720705 is an apocalyptic number.

It is an amenable number.

60720705 is a deficient number, since it is larger than the sum of its proper divisors (47227455).

60720705 is a wasteful number, since it uses less digits than its factorization.

60720705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449797 (or 449791 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 60720705 is about 7792.3491323220. The cubic root of 60720705 is about 393.0480099846.

It can be divided in two parts, 60720 and 705, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 60720705 in words is "sixty million, seven hundred twenty thousand, seven hundred five".