60971520 has 160 divisors (see below), whose sum is σ = 206826048. Its totient is φ = 15269888.

The previous prime is 60971507. The next prime is 60971539. The reversal of 60971520 is 2517906.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×60971520² = 7435052502220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130327 + ... + 130793.

Almost surely, 2^60971520 is an apocalyptic number.

60971520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60971520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103413024).

60971520 is an abundant number, since it is smaller than the sum of its proper divisors (145854528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60971520 is a wasteful number, since it uses less digits than its factorization.

60971520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 60971520 is about 7808.4262178751. The cubic root of 60971520 is about 393.5884456916.

The spelling of 60971520 in words is "sixty million, nine hundred seventy-one thousand, five hundred twenty".