60815620 has 12 divisors (see below), whose sum is σ = 127712844. Its totient is φ = 24326240.

The previous prime is 60815617. The next prime is 60815641. The reversal of 60815620 is 2651806.

It can be written as a sum of positive squares in 2 ways, for example, as 31741956 + 29073664 = 5634^2 + 5392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520371 + ... + 1520410.

It is an arithmetic number, because the mean of its divisors is an integer number (10642737).

Almost surely, 2^60815620 is an apocalyptic number.

It is an amenable number.

60815620 is an abundant number, since it is smaller than the sum of its proper divisors (66897224).

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

60815620 is a wasteful number, since it uses less digits than its factorization.

60815620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040790 (or 3040788 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 60815620 is about 7798.4370228912. The cubic root of 60815620 is about 393.2526998043.

The spelling of 60815620 in words is "sixty million, eight hundred fifteen thousand, six hundred twenty".