60721375 has 64 divisors (see below), whose sum is σ = 92252160. Its totient is φ = 39312000.

The previous prime is 60721361. The next prime is 60721379. The reversal of 60721375 is 57312706.

It is not a de Polignac number, because 60721375 - 2⁷ = 60721247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60721379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768586 + ... + 768664.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^60721375 is an apocalyptic number.

60721375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

60721375 is a deficient number, since it is larger than the sum of its proper divisors (31530785).

60721375 is a wasteful number, since it uses less digits than its factorization.

60721375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 60721375 is about 7792.3921230903. The cubic root of 60721375 is about 393.0494556266.

It can be divided in two parts, 6072 and 1375, that added together give a palindrome (7447).

The spelling of 60721375 in words is "sixty million, seven hundred twenty-one thousand, three hundred seventy-five".