60780402 has 64 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 19630800.

The previous prime is 60780361. The next prime is 60780407. The reversal of 60780402 is 20408706.

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 (60780407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318127 + ... + 318317.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^60780402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60780402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69672960).

60780402 is an abundant number, since it is smaller than the sum of its proper divisors (78565518).

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

60780402 is a wasteful number, since it uses less digits than its factorization.

60780402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 60780402 is about 7796.1786793275. The cubic root of 60780402 is about 393.1767749688.

The spelling of 60780402 in words is "sixty million, seven hundred eighty thousand, four hundred two".