60491730 has 64 divisors (see below), whose sum is σ = 157893120. Its totient is φ = 14743296.

The previous prime is 60491689. The next prime is 60491741. The reversal of 60491730 is 3719406.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 41799 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (2467080).

Almost surely, 2^60491730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60491730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78946560).

60491730 is an abundant number, since it is smaller than the sum of its proper divisors (97401390).

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

60491730 is a wasteful number, since it uses less digits than its factorization.

60491730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 60491730 is about 7777.6429591490. The cubic root of 60491730 is about 392.5533323070.

The spelling of 60491730 in words is "sixty million, four hundred ninety-one thousand, seven hundred thirty".